Abstract

This paper investigates the design trade-offs of radially single-mode and azimuthally multimode (RSMAM) ring-core fibers (RCFs), thereby revealing a more efficient use of the weakly coupled linearly polarized (LP) modes in mode-division multiplexing (MDM) systems. The influences of the increasing number of LP modes on the main propagation properties (i.e., effective index difference, effective area Aeff, and macro-bending sensitivity at a wavelength of 1550 nm) and the key limiting factors for such an increase are numerically described. Based on 1) the design criteria of weakly coupled few-mode fibers described in [P. Sillard, J. Lightw. Technol. 32, 2824 (2014)] and 2) an assumption that the refractive index contrast is ≤1% (for facilitating the fiber manufacturing), we point out that the step-index 4-LP-mode RSMAM RCF appears feasible, while RSMAM RCFs with a higher number of LP modes are still primarily limited by the oversized Aeff and undesired macro-bending sensitivities. Finally, in order to provide a better compatibility with weakly coupled MDM systems, we present improved designs for the 3- and 4-LP-mode RSMAM RCFs given in [M. Kasahara, J. Lightw. Technol. 32, 1337 (2014) Y. Jung, J. Lightw. Technol. 35, 1363 (2017)] by taking into account the spatial information densities and macro-bending sensitivities.

© 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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2018 (3)

2017 (6)

2016 (4)

2014 (2)

Achten, F.

P. Sillard, D. Molin, M. Bigot-Astruc, K. de Jongh, F. Achten, J. E. Antonio-López, and R. Amezcua-Correa, “Micro-bend-resistant low-differential-mode-group-delay few-mode fibers,” J. Lightwave Technol. 35(4), 734–740 (2017).
[Crossref]

M. Bigot, D. Molin, K. De Jongh, D. Van Ras, F. Achten, and P. Sillard, “Next-generation multimode fibers for space division multiplexing,” in Advanced Photonics (IPR, NOMA, Sensors, Networks, SPPCom, PS) (Optical Society of America, 2017), paper NeM3B.4.

Alam, S.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

Alam, S. U.

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

Q. Kang, E. L. Lim, Y. Jung, X. Jin, F. P. Payne, S. U. Alam, and D. J. Richardson, “Gain equalization of a six-mode-group ring core multimode EDFA,” in European Conference on Optical Communication (ECOC, 2014), paper P.1.14.
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

Alvarado Zacarias, J. C.

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

Amezcua Correa, R.

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

Amezcua-Correa, A.

D. Molin, M. Bigot, A. Amezcua-Correa, and P. Sillard, “Recent advances on MMFs for WDM and MDM,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W3C.1.
[Crossref]

Amezcua-Correa, R.

Antonio-Lopez, J.

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

Antonio-Lopez, J. E.

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

Antonio-López, J. E.

Arik, S. Ö.

Barua, P.

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Beppu, S.

Bigot, M.

D. Molin, M. Bigot, A. Amezcua-Correa, and P. Sillard, “Recent advances on MMFs for WDM and MDM,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W3C.1.
[Crossref]

M. Bigot, D. Molin, K. De Jongh, D. Van Ras, F. Achten, and P. Sillard, “Next-generation multimode fibers for space division multiplexing,” in Advanced Photonics (IPR, NOMA, Sensors, Networks, SPPCom, PS) (Optical Society of America, 2017), paper NeM3B.4.

Bigot-Astruc, M.

P. Sillard, D. Molin, M. Bigot-Astruc, K. de Jongh, F. Achten, J. E. Antonio-López, and R. Amezcua-Correa, “Micro-bend-resistant low-differential-mode-group-delay few-mode fibers,” J. Lightwave Technol. 35(4), 734–740 (2017).
[Crossref]

P. Sillard, M. Bigot-Astruc, and D. Molin, “Few-mode fibers for mode-division-multiplexed systems,” J. Lightwave Technol. 32(16), 2824–2829 (2014).
[Crossref]

M. Bigot-Astruc, D. Boivin, and P. Sillard, “Design and fabrication of weakly-coupled few-mode fibers,” in IEEE Photonics Society Summer Topical Meeting(IEEE, 2012), paper TuC1.1.
[Crossref]

D. Boivin, M. Bigot-Astruc, M. Travagnin, and P. Sillard, “Weakly-coupled few-mode Fibers for single-mode and mode-division-multiplexed transmissions,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper OTh3K.6.

Boivin, D.

M. Bigot-Astruc, D. Boivin, and P. Sillard, “Design and fabrication of weakly-coupled few-mode fibers,” in IEEE Photonics Society Summer Topical Meeting(IEEE, 2012), paper TuC1.1.
[Crossref]

D. Boivin, M. Bigot-Astruc, M. Travagnin, and P. Sillard, “Weakly-coupled few-mode Fibers for single-mode and mode-division-multiplexed transmissions,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper OTh3K.6.

Buhl, L.

C. R. Doerr, N. Fontaine, M. Hirano, T. Sasaki, L. Buhl, and P. Winzer, “Silicon photonic integrated circuit for coupling to a ring-core multimode fiber for space-division multiplexing,” in European Conference on Optical Communication (ECOC, 2011), paper Th.13.A.3.
[Crossref]

Cai, X.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

G. Zhu, Z. Hu, X. Wu, C. Du, W. Luo, Y. Chen, X. Cai, J. Liu, J. Zhu, and S. Yu, “Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes,” Opt. Express 26(2), 594–604 (2018).
[Crossref] [PubMed]

Chen, H.

H. Chen, H. P. A. van den Boom, and A. M. J. Koonen, “30Gbit/s 3 × 3 optical mode group division multiplexing system with mode-selective spatial filtering,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2011), paper OWB1.
[Crossref]

Chen, S.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

Chen, Y.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

G. Zhu, Z. Hu, X. Wu, C. Du, W. Luo, Y. Chen, X. Cai, J. Liu, J. Zhu, and S. Yu, “Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes,” Opt. Express 26(2), 594–604 (2018).
[Crossref] [PubMed]

Correa, R. A.

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Corsi, A.

de Jongh, K.

P. Sillard, D. Molin, M. Bigot-Astruc, K. de Jongh, F. Achten, J. E. Antonio-López, and R. Amezcua-Correa, “Micro-bend-resistant low-differential-mode-group-delay few-mode fibers,” J. Lightwave Technol. 35(4), 734–740 (2017).
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M. Bigot, D. Molin, K. De Jongh, D. Van Ras, F. Achten, and P. Sillard, “Next-generation multimode fibers for space division multiplexing,” in Advanced Photonics (IPR, NOMA, Sensors, Networks, SPPCom, PS) (Optical Society of America, 2017), paper NeM3B.4.

Doerr, C. R.

C. R. Doerr, N. Fontaine, M. Hirano, T. Sasaki, L. Buhl, and P. Winzer, “Silicon photonic integrated circuit for coupling to a ring-core multimode fiber for space-division multiplexing,” in European Conference on Optical Communication (ECOC, 2011), paper Th.13.A.3.
[Crossref]

Du, C.

Eznaveh, Z. S.

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Feng, F.

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

Fontaine, N.

C. R. Doerr, N. Fontaine, M. Hirano, T. Sasaki, L. Buhl, and P. Winzer, “Silicon photonic integrated circuit for coupling to a ring-core multimode fiber for space-division multiplexing,” in European Conference on Optical Communication (ECOC, 2011), paper Th.13.A.3.
[Crossref]

Fontaine, N. K.

N. K. Fontaine, R. Ryf, M. Hirano, and T. Sasaki, “Experimental investigation of crosstalk accumulation in a ring-core fiber,” in in IEEE Photonics Society Summer Topics Meeting (IEEE, 2013), paper TuC4.2.
[Crossref]

Gao, G.

J. Han, G. Gao, Y. Zhao, and S. Hou, “Bend performance analysis of few-mode fibers with high modal multiplicity factors,” J. Lightwave Technol. 35(13), 2526–2534 (2017).
[Crossref]

J. Han, J. Zhang, G. Gao, Y. Zhao, and S. Hou, “Cladding-rods-assisted depressed core 9-LP-mode fiber with improved modal spacing,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper Th2A.23.
[Crossref]

Gomez, A.

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

X. Q. Jin, A. Gomez, D. C. O’Brien, and F. P. Payne, “Influence of refractive index profile of ring-core fibres for space division multiplexing systems,” in IEEE Photonics Society Summer Topics Meeting (IEEE, 2014), pp. 178–179.
[Crossref]

Gordon, G. S.

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

Gordon, G. S. D.

Guo, X.

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Han, J.

J. Han, G. Gao, Y. Zhao, and S. Hou, “Bend performance analysis of few-mode fibers with high modal multiplicity factors,” J. Lightwave Technol. 35(13), 2526–2534 (2017).
[Crossref]

J. Han, J. Zhang, G. Gao, Y. Zhao, and S. Hou, “Cladding-rods-assisted depressed core 9-LP-mode fiber with improved modal spacing,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper Th2A.23.
[Crossref]

Hanzawa, N.

Hirano, M.

N. K. Fontaine, R. Ryf, M. Hirano, and T. Sasaki, “Experimental investigation of crosstalk accumulation in a ring-core fiber,” in in IEEE Photonics Society Summer Topics Meeting (IEEE, 2013), paper TuC4.2.
[Crossref]

C. R. Doerr, N. Fontaine, M. Hirano, T. Sasaki, L. Buhl, and P. Winzer, “Silicon photonic integrated circuit for coupling to a ring-core multimode fiber for space-division multiplexing,” in European Conference on Optical Communication (ECOC, 2011), paper Th.13.A.3.
[Crossref]

Ho, K.

Hou, S.

J. Han, G. Gao, Y. Zhao, and S. Hou, “Bend performance analysis of few-mode fibers with high modal multiplicity factors,” J. Lightwave Technol. 35(13), 2526–2534 (2017).
[Crossref]

J. Han, J. Zhang, G. Gao, Y. Zhao, and S. Hou, “Cladding-rods-assisted depressed core 9-LP-mode fiber with improved modal spacing,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper Th2A.23.
[Crossref]

Hu, Z.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

G. Zhu, Z. Hu, X. Wu, C. Du, W. Luo, Y. Chen, X. Cai, J. Liu, J. Zhu, and S. Yu, “Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes,” Opt. Express 26(2), 594–604 (2018).
[Crossref] [PubMed]

Hua, N.

Y. Li, N. Hua, X. Zheng, and G. Li, “Impact of mode coupling on the capacity of mode-division multiplexing networks with MIMO equalization,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper Tu2H.5.
[Crossref]

Huang, Y.

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Igarashi, K.

Ip, E.

G. Milione, E. Ip, M. J. Li, J. Stone, G. Peng, and T. Wang, “Mode crosstalk matrix measurement of a 1 km elliptical core few-mode optical fiber,” Opt. Lett. 41(12), 2755–2758 (2016).
[Crossref] [PubMed]

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Ji, P.

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Jin, X.

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

X. Jin and F. P. Payne, “Numerical investigation of microbending loss in optical fibres,” J. Lightwave Technol. 34(4), 1247–1253 (2016).
[Crossref]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Q. Kang, E. L. Lim, Y. Jung, X. Jin, F. P. Payne, S. U. Alam, and D. J. Richardson, “Gain equalization of a six-mode-group ring core multimode EDFA,” in European Conference on Optical Communication (ECOC, 2014), paper P.1.14.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

Jin, X. Q.

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

X. Q. Jin, A. Gomez, D. C. O’Brien, and F. P. Payne, “Influence of refractive index profile of ring-core fibres for space division multiplexing systems,” in IEEE Photonics Society Summer Topics Meeting (IEEE, 2014), pp. 178–179.
[Crossref]

X. Q. Jin, R. Li, D. C. O’Brien, and F. P. Payne, “Linearly polarized mode division multiplexed transmission over ring-index multimode fibres,” in IEEE Photonics Society Summer Topical Meeting (IEEE, 2013), paper TuC4.3.
[Crossref]

Jung, Y.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Q. Kang, E. L. Lim, Y. Jung, X. Jin, F. P. Payne, S. U. Alam, and D. J. Richardson, “Gain equalization of a six-mode-group ring core multimode EDFA,” in European Conference on Optical Communication (ECOC, 2014), paper P.1.14.
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

Kahn, J. M.

Kang, Q.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

Q. Kang, E. L. Lim, Y. Jung, X. Jin, F. P. Payne, S. U. Alam, and D. J. Richardson, “Gain equalization of a six-mode-group ring core multimode EDFA,” in European Conference on Optical Communication (ECOC, 2014), paper P.1.14.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Kasahara, M.

Koonen, A. M. J.

H. Chen, H. P. A. van den Boom, and A. M. J. Koonen, “30Gbit/s 3 × 3 optical mode group division multiplexing system with mode-selective spatial filtering,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2011), paper OWB1.
[Crossref]

LaRochelle, S.

Li, G.

Y. Li, N. Hua, X. Zheng, and G. Li, “Impact of mode coupling on the capacity of mode-division multiplexing networks with MIMO equalization,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper Tu2H.5.
[Crossref]

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

Li, M.

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Li, M. J.

Li, R.

X. Q. Jin, R. Li, D. C. O’Brien, and F. P. Payne, “Linearly polarized mode division multiplexed transmission over ring-index multimode fibres,” in IEEE Photonics Society Summer Topical Meeting (IEEE, 2013), paper TuC4.3.
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Li, Y.

Y. Li, N. Hua, X. Zheng, and G. Li, “Impact of mode coupling on the capacity of mode-division multiplexing networks with MIMO equalization,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper Tu2H.5.
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Li, Z.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

Lim, E. L.

Q. Kang, E. L. Lim, Y. Jung, X. Jin, F. P. Payne, S. U. Alam, and D. J. Richardson, “Gain equalization of a six-mode-group ring core multimode EDFA,” in European Conference on Optical Communication (ECOC, 2014), paper P.1.14.
[Crossref]

Lin, J.

Liu, H.

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

Liu, J.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

G. Zhu, Z. Hu, X. Wu, C. Du, W. Luo, Y. Chen, X. Cai, J. Liu, J. Zhu, and S. Yu, “Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes,” Opt. Express 26(2), 594–604 (2018).
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Lopez, J. E. A.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Luo, W.

Matsui, T.

Messaddeq, Y.

Milione, G.

G. Milione, E. Ip, M. J. Li, J. Stone, G. Peng, and T. Wang, “Mode crosstalk matrix measurement of a 1 km elliptical core few-mode optical fiber,” Opt. Lett. 41(12), 2755–2758 (2016).
[Crossref] [PubMed]

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Molin, D.

P. Sillard, D. Molin, M. Bigot-Astruc, K. de Jongh, F. Achten, J. E. Antonio-López, and R. Amezcua-Correa, “Micro-bend-resistant low-differential-mode-group-delay few-mode fibers,” J. Lightwave Technol. 35(4), 734–740 (2017).
[Crossref]

P. Sillard, M. Bigot-Astruc, and D. Molin, “Few-mode fibers for mode-division-multiplexed systems,” J. Lightwave Technol. 32(16), 2824–2829 (2014).
[Crossref]

M. Bigot, D. Molin, K. De Jongh, D. Van Ras, F. Achten, and P. Sillard, “Next-generation multimode fibers for space division multiplexing,” in Advanced Photonics (IPR, NOMA, Sensors, Networks, SPPCom, PS) (Optical Society of America, 2017), paper NeM3B.4.

D. Molin, M. Bigot, A. Amezcua-Correa, and P. Sillard, “Recent advances on MMFs for WDM and MDM,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W3C.1.
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Mori, T.

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly coupled two-LP mode ring core fiber with low effective index difference,” J. Lightwave Technol. 35(10), 1936–1944 (2017).
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T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly-coupled five-mode ring-core fiber for MDM transmission with MIMO DSP,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.3.
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Morita, I.

Nakajima, K.

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly coupled two-LP mode ring core fiber with low effective index difference,” J. Lightwave Technol. 35(10), 1936–1944 (2017).
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T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly-coupled five-mode ring-core fiber for MDM transmission with MIMO DSP,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.3.
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Nejad, R. M.

O’Brien, D.

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

O’Brien, D. C.

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

X. Q. Jin, R. Li, D. C. O’Brien, and F. P. Payne, “Linearly polarized mode division multiplexed transmission over ring-index multimode fibres,” in IEEE Photonics Society Summer Topical Meeting (IEEE, 2013), paper TuC4.3.
[Crossref]

X. Q. Jin, A. Gomez, D. C. O’Brien, and F. P. Payne, “Influence of refractive index profile of ring-core fibres for space division multiplexing systems,” in IEEE Photonics Society Summer Topics Meeting (IEEE, 2014), pp. 178–179.
[Crossref]

Payne, F.

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Payne, F. P.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

X. Jin and F. P. Payne, “Numerical investigation of microbending loss in optical fibres,” J. Lightwave Technol. 34(4), 1247–1253 (2016).
[Crossref]

X. Q. Jin, A. Gomez, D. C. O’Brien, and F. P. Payne, “Influence of refractive index profile of ring-core fibres for space division multiplexing systems,” in IEEE Photonics Society Summer Topics Meeting (IEEE, 2014), pp. 178–179.
[Crossref]

X. Q. Jin, R. Li, D. C. O’Brien, and F. P. Payne, “Linearly polarized mode division multiplexed transmission over ring-index multimode fibres,” in IEEE Photonics Society Summer Topical Meeting (IEEE, 2013), paper TuC4.3.
[Crossref]

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

Q. Kang, E. L. Lim, Y. Jung, X. Jin, F. P. Payne, S. U. Alam, and D. J. Richardson, “Gain equalization of a six-mode-group ring core multimode EDFA,” in European Conference on Optical Communication (ECOC, 2014), paper P.1.14.
[Crossref]

Peng, G.

G. Milione, E. Ip, M. J. Li, J. Stone, G. Peng, and T. Wang, “Mode crosstalk matrix measurement of a 1 km elliptical core few-mode optical fiber,” Opt. Lett. 41(12), 2755–2758 (2016).
[Crossref] [PubMed]

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Quintana, C.

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

Richardson, D. J.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Q. Kang, E. L. Lim, Y. Jung, X. Jin, F. P. Payne, S. U. Alam, and D. J. Richardson, “Gain equalization of a six-mode-group ring core multimode EDFA,” in European Conference on Optical Communication (ECOC, 2014), paper P.1.14.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
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Rusch, L.

Ryf, R.

R. Ryf, “Switching and multiplexing technologies for mode-division multiplexed networks,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2C.5.
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N. K. Fontaine, R. Ryf, M. Hirano, and T. Sasaki, “Experimental investigation of crosstalk accumulation in a ring-core fiber,” in in IEEE Photonics Society Summer Topics Meeting (IEEE, 2013), paper TuC4.2.
[Crossref]

Sahu, J.

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Sahu, J. K.

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
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Saitoh, K.

Sakamoto, T.

Sasaki, T.

C. R. Doerr, N. Fontaine, M. Hirano, T. Sasaki, L. Buhl, and P. Winzer, “Silicon photonic integrated circuit for coupling to a ring-core multimode fiber for space-division multiplexing,” in European Conference on Optical Communication (ECOC, 2011), paper Th.13.A.3.
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N. K. Fontaine, R. Ryf, M. Hirano, and T. Sasaki, “Experimental investigation of crosstalk accumulation in a ring-core fiber,” in in IEEE Photonics Society Summer Topics Meeting (IEEE, 2013), paper TuC4.2.
[Crossref]

Shen, L.

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

Shi, K.

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Sillard, P.

P. Sillard, D. Molin, M. Bigot-Astruc, K. de Jongh, F. Achten, J. E. Antonio-López, and R. Amezcua-Correa, “Micro-bend-resistant low-differential-mode-group-delay few-mode fibers,” J. Lightwave Technol. 35(4), 734–740 (2017).
[Crossref]

P. Sillard, M. Bigot-Astruc, and D. Molin, “Few-mode fibers for mode-division-multiplexed systems,” J. Lightwave Technol. 32(16), 2824–2829 (2014).
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D. Boivin, M. Bigot-Astruc, M. Travagnin, and P. Sillard, “Weakly-coupled few-mode Fibers for single-mode and mode-division-multiplexed transmissions,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper OTh3K.6.

M. Bigot-Astruc, D. Boivin, and P. Sillard, “Design and fabrication of weakly-coupled few-mode fibers,” in IEEE Photonics Society Summer Topical Meeting(IEEE, 2012), paper TuC1.1.
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P. Sillard, “Scalability of few-mode fibers for mode-division-multiplexed systems,” in IEEE Photonics Conference (IEEE, 2014), paper WG4.2.
[Crossref]

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

P. Sillard, “Few-mode fibers for space division multiplexing,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper Th1J.1.
[Crossref]

D. Molin, M. Bigot, A. Amezcua-Correa, and P. Sillard, “Recent advances on MMFs for WDM and MDM,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W3C.1.
[Crossref]

M. Bigot, D. Molin, K. De Jongh, D. Van Ras, F. Achten, and P. Sillard, “Next-generation multimode fibers for space division multiplexing,” in Advanced Photonics (IPR, NOMA, Sensors, Networks, SPPCom, PS) (Optical Society of America, 2017), paper NeM3B.4.

Soma, D.

Stone, J.

G. Milione, E. Ip, M. J. Li, J. Stone, G. Peng, and T. Wang, “Mode crosstalk matrix measurement of a 1 km elliptical core few-mode optical fiber,” Opt. Lett. 41(12), 2755–2758 (2016).
[Crossref] [PubMed]

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Suzuki, M.

Thomsen, B. C.

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

Travagnin, M.

D. Boivin, M. Bigot-Astruc, M. Travagnin, and P. Sillard, “Weakly-coupled few-mode Fibers for single-mode and mode-division-multiplexed transmissions,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper OTh3K.6.

Tsujikawa, K.

Tsuritani, T.

Urushibara, A.

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly coupled two-LP mode ring core fiber with low effective index difference,” J. Lightwave Technol. 35(10), 1936–1944 (2017).
[Crossref]

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly-coupled five-mode ring-core fiber for MDM transmission with MIMO DSP,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.3.
[Crossref]

van den Boom, H. P. A.

H. Chen, H. P. A. van den Boom, and A. M. J. Koonen, “30Gbit/s 3 × 3 optical mode group division multiplexing system with mode-selective spatial filtering,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2011), paper OWB1.
[Crossref]

Van Ras, D.

M. Bigot, D. Molin, K. De Jongh, D. Van Ras, F. Achten, and P. Sillard, “Next-generation multimode fibers for space division multiplexing,” in Advanced Photonics (IPR, NOMA, Sensors, Networks, SPPCom, PS) (Optical Society of America, 2017), paper NeM3B.4.

Wada, M.

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly coupled two-LP mode ring core fiber with low effective index difference,” J. Lightwave Technol. 35(10), 1936–1944 (2017).
[Crossref]

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly-coupled five-mode ring-core fiber for MDM transmission with MIMO DSP,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.3.
[Crossref]

Wakayama, Y.

Wang, H.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

Wang, L.

Wang, N.

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

Wang, T.

G. Milione, E. Ip, M. J. Li, J. Stone, G. Peng, and T. Wang, “Mode crosstalk matrix measurement of a 1 km elliptical core few-mode optical fiber,” Opt. Lett. 41(12), 2755–2758 (2016).
[Crossref] [PubMed]

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Wen, H.

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

Wen, Y.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

White, I. H.

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

Wilkinson, T. D.

F. Feng, X. Jin, D. O’Brien, F. Payne, Y. Jung, Q. Kang, P. Barua, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “All-optical mode-group multiplexed transmission over a graded-index ring-core fiber with single radial mode,” Opt. Express 25(12), 13773–13781 (2017).
[Crossref] [PubMed]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

Winzer, P.

C. R. Doerr, N. Fontaine, M. Hirano, T. Sasaki, L. Buhl, and P. Winzer, “Silicon photonic integrated circuit for coupling to a ring-core multimode fiber for space-division multiplexing,” in European Conference on Optical Communication (ECOC, 2011), paper Th.13.A.3.
[Crossref]

Wu, X.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

G. Zhu, Z. Hu, X. Wu, C. Du, W. Luo, Y. Chen, X. Cai, J. Liu, J. Zhu, and S. Yu, “Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes,” Opt. Express 26(2), 594–604 (2018).
[Crossref] [PubMed]

Yamamoto, F.

Yamamoto, T.

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly coupled two-LP mode ring core fiber with low effective index difference,” J. Lightwave Technol. 35(10), 1936–1944 (2017).
[Crossref]

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly-coupled five-mode ring-core fiber for MDM transmission with MIMO DSP,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.3.
[Crossref]

Yang, Y.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

Yu, S.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

G. Zhu, Z. Hu, X. Wu, C. Du, W. Luo, Y. Chen, X. Cai, J. Liu, J. Zhu, and S. Yu, “Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes,” Opt. Express 26(2), 594–604 (2018).
[Crossref] [PubMed]

Zacarias, J. C. A.

Y. Jung, Q. Kang, L. Shen, S. Chen, H. Wang, Y. Yang, K. Shi, B. C. Thomsen, R. A. Correa, Z. S. Eznaveh, J. C. A. Zacarias, J. Antonio-Lopez, P. Barua, J. K. Sahu, S. U. Alam, and D. J. Richardson, “Few mode ring-core fiber amplifier for low differential modal gain,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Zhang, J.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

J. Han, J. Zhang, G. Gao, Y. Zhao, and S. Hou, “Cladding-rods-assisted depressed core 9-LP-mode fiber with improved modal spacing,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper Th2A.23.
[Crossref]

Zhang, R.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

Zhang, Y.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

Zhao, Y.

J. Han, G. Gao, Y. Zhao, and S. Hou, “Bend performance analysis of few-mode fibers with high modal multiplicity factors,” J. Lightwave Technol. 35(13), 2526–2534 (2017).
[Crossref]

J. Han, J. Zhang, G. Gao, Y. Zhao, and S. Hou, “Cladding-rods-assisted depressed core 9-LP-mode fiber with improved modal spacing,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper Th2A.23.
[Crossref]

Zheng, X.

Y. Li, N. Hua, X. Zheng, and G. Li, “Impact of mode coupling on the capacity of mode-division multiplexing networks with MIMO equalization,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper Tu2H.5.
[Crossref]

Zhou, H.

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

K. Shi, Y. Jung, Z. S. Eznaveh, J. C. A. Zacarias, J. E. A. Lopez, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, R. A. Correa, D. J. Richardson, and B. C. Thomsen, “10×10 MDM transmission over 24 km of ring-core fibre using mode selective photonic lanterns and sparse equalization,” in European Conference on Optical Communication (ECOC, 2017), paper M.2.E.2.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

Zhu, G.

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

G. Zhu, Z. Hu, X. Wu, C. Du, W. Luo, Y. Chen, X. Cai, J. Liu, J. Zhu, and S. Yu, “Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes,” Opt. Express 26(2), 594–604 (2018).
[Crossref] [PubMed]

Zhu, J.

G. Zhu, Z. Hu, X. Wu, C. Du, W. Luo, Y. Chen, X. Cai, J. Liu, J. Zhu, and S. Yu, “Scalable mode division multiplexed transmission over a 10-km ring-core fiber using high-order orbital angular momentum modes,” Opt. Express 26(2), 594–604 (2018).
[Crossref] [PubMed]

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

IEEE J. Quantum Electron. (1)

J. Liu, G. Zhu, J. Zhang, Y. Wen, X. Wu, Y. Zhang, Y. Chen, X. Cai, Z. Li, Z. Hu, J. Zhu, and S. Yu, “Mode division multiplexing based on ring core optical fibers,” IEEE J. Quantum Electron. 54(5), 0700118 (2018).

J. Lightwave Technol. (10)

T. Mori, T. Sakamoto, M. Wada, A. Urushibara, T. Yamamoto, and K. Nakajima, “Strongly coupled two-LP mode ring core fiber with low effective index difference,” J. Lightwave Technol. 35(10), 1936–1944 (2017).
[Crossref]

M. Kasahara, K. Saitoh, T. Sakamoto, N. Hanzawa, T. Matsui, K. Tsujikawa, and F. Yamamoto, “Design of three-spatial-mode ring-core fiber,” J. Lightwave Technol. 32(7), 1337–1343 (2014).
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3 km few-mode ring-core fiber for mode-division multiplexed transmission,” J. Lightwave Technol. 35(8), 1363–1368 (2017).
[Crossref]

P. Sillard, M. Bigot-Astruc, and D. Molin, “Few-mode fibers for mode-division-multiplexed systems,” J. Lightwave Technol. 32(16), 2824–2829 (2014).
[Crossref]

P. Sillard, D. Molin, M. Bigot-Astruc, K. de Jongh, F. Achten, J. E. Antonio-López, and R. Amezcua-Correa, “Micro-bend-resistant low-differential-mode-group-delay few-mode fibers,” J. Lightwave Technol. 35(4), 734–740 (2017).
[Crossref]

X. Jin and F. P. Payne, “Numerical investigation of microbending loss in optical fibres,” J. Lightwave Technol. 34(4), 1247–1253 (2016).
[Crossref]

J. Han, G. Gao, Y. Zhao, and S. Hou, “Bend performance analysis of few-mode fibers with high modal multiplicity factors,” J. Lightwave Technol. 35(13), 2526–2534 (2017).
[Crossref]

S. Ö. Arık, K. Ho, and J. M. Kahn, “Group delay management and multiinput multioutput signal processing in mode-division multiplexing systems,” J. Lightwave Technol. 34(11), 2867–2880 (2016).
[Crossref]

D. Soma, S. Beppu, Y. Wakayama, K. Igarashi, T. Tsuritani, I. Morita, and M. Suzuki, “257-Tbit/s weakly coupled 10-mode C + L-band WDM transmission,” J. Lightwave Technol. 36(6), 1375–1381 (2018).
[Crossref]

X. Q. Jin, A. Gomez, K. Shi, B. C. Thomsen, F. Feng, G. S. D. Gordon, T. D. Wilkinson, Y. Jung, Q. Kang, P. Barua, J. Sahu, S. Alam, D. J. Richardson, D. C. O’Brien, and F. P. Payne, “Mode coupling effects in ring-core fibers for space-division multiplexing systems,” J. Lightwave Technol. 34(14), 3365–3372 (2016).
[Crossref]

Opt. Express (3)

Opt. Lett. (1)

Other (25)

M. Bigot, D. Molin, K. De Jongh, D. Van Ras, F. Achten, and P. Sillard, “Next-generation multimode fibers for space division multiplexing,” in Advanced Photonics (IPR, NOMA, Sensors, Networks, SPPCom, PS) (Optical Society of America, 2017), paper NeM3B.4.

J. Han, J. Zhang, G. Gao, Y. Zhao, and S. Hou, “Cladding-rods-assisted depressed core 9-LP-mode fiber with improved modal spacing,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper Th2A.23.
[Crossref]

F. Feng, X. Guo, G. S. Gordon, X. Jin, F. Payne, Y. Jung, Q. Kang, S. Alam, P. Barua, J. Sahu, D. J. Richardson, I. H. White, and T. D. Wilkinson, “All-optical mode-group division multiplexing over a graded-index ring-core fiber with single radial mode,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W3D.5.
[Crossref]

G. Milione, E. Ip, P. Ji, Y. Huang, T. Wang, M. Li, J. Stone, and G. Peng, “MIMO-less space division multiplexing with elliptical core optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2J.1.
[Crossref]

Y. Li, N. Hua, X. Zheng, and G. Li, “Impact of mode coupling on the capacity of mode-division multiplexing networks with MIMO equalization,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper Tu2H.5.
[Crossref]

P. Sillard, “Few-mode fibers for space division multiplexing,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper Th1J.1.
[Crossref]

R. Ryf, “Switching and multiplexing technologies for mode-division multiplexed networks,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2017), paper Tu2C.5.
[Crossref]

D. Molin, M. Bigot, A. Amezcua-Correa, and P. Sillard, “Recent advances on MMFs for WDM and MDM,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W3C.1.
[Crossref]

F. Feng, Y. Jung, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “High-order mode-group multiplexed transmission over a 24km ring-core fibre with OOK modulation and direct detection,” in European Conference on Optical Communication (ECOC, 2017), pp. 1–3.
[Crossref]

H. Liu, H. Wen, J. C. Alvarado Zacarias, J. E. Antonio-Lopez, N. Wang, P. Sillard, R. Amezcua Correa, and G. Li, “Demonstration of stable 3x10 Gb/s mode group-multiplexed transmission over a 20 km few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2018), paper W4J.2.
[Crossref]

X. Q. Jin, R. Li, D. C. O’Brien, and F. P. Payne, “Linearly polarized mode division multiplexed transmission over ring-index multimode fibres,” in IEEE Photonics Society Summer Topical Meeting (IEEE, 2013), paper TuC4.3.
[Crossref]

N. K. Fontaine, R. Ryf, M. Hirano, and T. Sasaki, “Experimental investigation of crosstalk accumulation in a ring-core fiber,” in in IEEE Photonics Society Summer Topics Meeting (IEEE, 2013), paper TuC4.2.
[Crossref]

F. Feng, G. S. Gordon, X. Q. Jin, D. C. O’Brien, F. P. Payne, Y. Jung, Q. Kang, J. K. Sahu, S. U. Alam, D. J. Richardson, and T. D. Wilkinson, “Experimental characterization of a graded-index ring-core fiber supporting 7 LP mode groups,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2015), paper Tu2D.3.
[Crossref]

Y. Jung, Q. Kang, H. Zhou, R. Zhang, S. Chen, H. Wang, Y. Yang, X. Jin, F. P. Payne, S. Alam, and D. J. Richardson, “Low-loss 25.3km few-mode ring-core fibre for mode-division multiplexed transmission,” in European Conference on Optical Communication (ECOC, 2016), pp. 644–646.

K. Shi, A. Gomez, X. Jin, Y. Jung, C. Quintana, D. O’Brien, F. Payne, P. Barua, J. Sahu, Q. Kang, S. Alam, D. J. Richardson, and B. C. Thomsen, “Simplified impulse response characterization for mode division multiplexed systems,” in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optical Society of America, 2016), paper W4F.3.
[Crossref]

M. Bigot-Astruc, D. Boivin, and P. Sillard, “Design and fabrication of weakly-coupled few-mode fibers,” in IEEE Photonics Society Summer Topical Meeting(IEEE, 2012), paper TuC1.1.
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Figures (11)

Fig. 1
Fig. 1 Refractive index profiles of step-index (α = ∞) and graded-index (α = 8, 4, & 2) RCFs.
Fig. 2
Fig. 2 For RSMAM RCFs, dependence of dmax on Δ for α = ∞, 8, 4, and 2 (n1 = 1.444). Note that because the values of dmax are obtained based on the radially single-mode condition, i.e., V ≤ π, the calculated dmax is independent of ra. That is to say, the results in Fig. 2 is valid for arbitrary values of ra.
Fig. 3
Fig. 3 Modal Aeff of all 13 spatial modes in the step-/graded-index 7-LP-mode RSMAM RCFs (ra = 10 μm, n0 = 1.46, n1 = 1.4453, Δ = 1%, dmax = 3.8, 4.3, 4.8, and 5.6 μm for α values of ∞, 8, 4, and 2, respectively).
Fig. 4
Fig. 4 For the step-/graded-index 7-LP-mode RSMAM RCFs (n0 = 1.46, n1 = 1.4453, Δ = 1%, dmax = 3.8, 4.8, and 5.6 μm for α values of (a) ∞, (b) 4, and (c) 2, respectively), dependence of LP modal neff on ra.
Fig. 5
Fig. 5 For the step-/graded-index RSMAM RCFs (n0 = 1.46, n1 = 1.4453, Δ = 1%, dmax = 3.8, 4.8, and 5.6 μm for α values of (a) ∞, (b) 4, and (c) 2, respectively), dependences of the Δneff between two neighboring LP modes (LPm1 and LP(m+1)1 modes, m ≥ 0) and the number of guiding LP modes on ra (> dmax/2).
Fig. 6
Fig. 6 For the step-/graded-index RSMAM RCFs (n0 = 1.46, n1 = 1.4453, Δ = 1%, dmax = 3.8, 4.8, and 5.6 μm for α values of (a) ∞, (b) 4, and (c) 2, respectively), dependences of LP modal Aeff on ra.
Fig. 7
Fig. 7 For the step-/graded-index RSMAM RCFs (n0 = 1.46, n1 = 1.4453, Δ = 1%, dmax = 3.8, 4.8, and 5.6 μm for α values of (a) ∞, (b) 4, and (c) 2, respectively), dependence of the macro-bending loss of the highest-order propagating LP modes (at R = 10 mm) on ra. Under a fixed value of α, the influence of changing ra on the number of guiding LP modes for the straight RSMAM RCF is also shown.
Fig. 8
Fig. 8 Dependences of (a) Min|Δneff| (depends entirely on the Δneff between LP01 and LP11 modes), (b) Min|Aeff|, and (c) Max|Aeff| on the required Δ and ra for obtaining 3-LP-mode (5 spatial modes composed of LP01, LP11e, LP11o, LP21e, and LP21o modes) in step-index (α = ∞) RSMAM RCFs.
Fig. 9
Fig. 9 Dependences of (a) macro-bending loss of LP21e mode at R = 10 mm, (b) macro-bending loss of LP21o mode at R = 10 mm, and (c) NSD on Δ and ra for obtaining weakly coupled LP01, LP11, and LP21 modes in step-index (α = ∞) 3-LP-mode RSMAM RCFs.
Fig. 10
Fig. 10 Dependences of (a) Min|Δneff| (depends entirely on the Δneff between LP01 and LP11 modes), (b) Min|Aeff|, and (c) Max|Aeff| on the required Δ and ra for obtaining 4-LP-mode (7 spatial modes composed of LP01, LP11e, LP11o, LP21e, LP21o, LP31e, and LP31o modes) in step-index (α = ∞) RSMAM RCFs.
Fig. 11
Fig. 11 Dependences of (a) macro-bending loss of LP31e mode at R = 10 mm, (b) macro-bending loss of LP31o mode at R = 10 mm, and (c) NSD on Δ and ra for obtaining weakly coupled LP21 and LP31 modes in step-index (α = ∞) 4-LP-mode RSMAM RCFs.

Tables (2)

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Table 1 Main LP Modal Propagation Characteristics of The Optimized Step-Index Weakly Coupled 3-LP-Mode RSMAM RCF (λ = 1550 nm)a

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Table 2 Main LP Modal Propagation Characteristics of the Optimized Step-Index 4-LP-Mode RSMAM RCF (λ = 1550 nm)a

Equations (4)

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n(r)={ n 0 [ 12Δ ( r r a d/2 ) α ] 1/2 , | r r a |d/2 n 1 , | r r a |>d/2 ,
n eq ( x,y )=n( x,y )exp( x/R ),
2α= [ 202πIm( n eff ) ]/ [ ln( 10 )λ ] .
NSD= { [ t=1 T ( A eff t ) ]/ ( π D 2 /4 ) }/ SD Standard = t=1 T ( A eff t ) / ( 80 μm 2 ) ,

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