Abstract

We propose a kind of heterogeneous trench-assisted graded-index few-mode multi-core fiber with square-lattice layout. For each core in the fiber, effective area (Aeff) of LP01 mode and LP11 mode can achieve about 110 μm2 and 220 μm2. Absolute value of differential mode delay (|DMD|) is smaller than 100 ps/km over C + L bands, which can decrease the complexity of digital signal processing at the receiver end. Considering the upper limit of cladding diameter (Dcl) and cable cutoff wavelength of LP21 mode in the cores located at the inner layer, we set core pitch (Λ) as 43 μm. In this case, Dcl is about 220.4 μm, inter-core crosstalk (XT) is lower than −40 dB/500km and the relative core multiplicity factor (RCMF) reaches 15.93.

© 2015 Optical Society of America

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2014 (4)

2013 (4)

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

S. Arik, D. Askarov, and J. Kahn, “Effect of mode coupling on signal processing complexity in mode-division multiplexing,” J. Lightwave Technol. 31(3), 423–431 (2013).
[Crossref]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Optimized design method for bend-insensitive heterogeneous trench-assisted multi-core fiber with ultra-low crosstalk and high core density,” J. Lightwave Technol. 31(15), 2590–2598 (2013).
[Crossref]

2012 (6)

L. Gruner-Nielsen, Y. Sun, J. Nicholson, D. Jakobsen, K. Jespersen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling, and low loss,” J. Lightwave Technol. 30(23), 3693–3698 (2012).
[Crossref]

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J. 4(5), 1987–1995 (2012).
[Crossref]

B. Inan, B. Spinnler, F. Ferreira, D. van den Borne, A. Lobato, S. Adhikari, V. A. J. M. Sleiffer, M. Kuschnerov, N. Hanik, and S. L. Jansen, “DSP complexity of mode-division multiplexed receivers,” Opt. Express 20(10), 10859–10869 (2012).
[Crossref] [PubMed]

K. Takenaga, Y. Sasaki, N. Guan, M. Kasahara, K. Saitoh, and M. Koshiba, “Large effective-area few-mode multicore fiber,” IEEE Photon. Technol. Lett. 24(21), 1941–1944 (2012).
[Crossref]

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. T. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Express 20(3), 2668–2680 (2012).
[Crossref] [PubMed]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Design and analysis of large-effective-area heterogeneous trench-assisted multi-core fiber,” Opt. Express 20(14), 15157–15170 (2012).
[Crossref] [PubMed]

2011 (3)

2002 (1)

K. Saitoh and M. Koshiba, “Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: Application to photonic crystal fibers,” IEEE J. Quantum Electron. 38(7), 927–933 (2002).
[Crossref]

Adhikari, S.

Arakawa, Y.

Arik, S.

Askarov, D.

Bai, N.

Bickham, S.

Bigot-Astruc, M.

Chen, H.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Ferreira, F.

Gruner-Nielsen, L.

Grüner-Nielsen, L.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

Guan, N.

K. Takenaga, Y. Sasaki, N. Guan, M. Kasahara, K. Saitoh, and M. Koshiba, “Large effective-area few-mode multicore fiber,” IEEE Photon. Technol. Lett. 24(21), 1941–1944 (2012).
[Crossref]

Hanik, N.

Hayashi, T.

Huang, Y. K.

Huijskens, F.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

Inan, B.

Ip, E.

Jakobsen, D.

Jansen, S. L.

Jespersen, K.

Jung, Y.

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Kahn, J.

Kasahara, M.

K. Takenaga, Y. Sasaki, N. Guan, M. Kasahara, K. Saitoh, and M. Koshiba, “Large effective-area few-mode multicore fiber,” IEEE Photon. Technol. Lett. 24(21), 1941–1944 (2012).
[Crossref]

Koonen, T.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Koshiba, M.

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Optimized design method for bend-insensitive heterogeneous trench-assisted multi-core fiber with ultra-low crosstalk and high core density,” J. Lightwave Technol. 31(15), 2590–2598 (2013).
[Crossref]

K. Takenaga, Y. Sasaki, N. Guan, M. Kasahara, K. Saitoh, and M. Koshiba, “Large effective-area few-mode multicore fiber,” IEEE Photon. Technol. Lett. 24(21), 1941–1944 (2012).
[Crossref]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Design and analysis of large-effective-area heterogeneous trench-assisted multi-core fiber,” Opt. Express 20(14), 15157–15170 (2012).
[Crossref] [PubMed]

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J. 4(5), 1987–1995 (2012).
[Crossref]

K. Takenaga, Y. Arakawa, Y. Sasaki, S. Tanigawa, S. Matsuo, K. Saitoh, and M. Koshiba, “A large effective area multi-core fiber with an optimized cladding thickness,” Opt. Express 19(26), B543–B550 (2011).
[Crossref] [PubMed]

S. Matsuo, K. Takenaga, Y. Arakawa, Y. Sasaki, S. Taniagwa, K. Saitoh, and M. Koshiba, “Large-effective-area ten-core fiber with cladding diameter of about 200 μm,” Opt. Lett. 36(23), 4626–4628 (2011).
[Crossref] [PubMed]

K. Saitoh and M. Koshiba, “Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: Application to photonic crystal fibers,” IEEE J. Quantum Electron. 38(7), 927–933 (2002).
[Crossref]

Kuschnerov, M.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

B. Inan, B. Spinnler, F. Ferreira, D. van den Borne, A. Lobato, S. Adhikari, V. A. J. M. Sleiffer, M. Kuschnerov, N. Hanik, and S. L. Jansen, “DSP complexity of mode-division multiplexed receivers,” Opt. Express 20(10), 10859–10869 (2012).
[Crossref] [PubMed]

Kuwaki, N.

Lau, A. P. T.

Leoni, P.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

Li, G.

Li, M. J.

Liñares, J.

Lingle, R.

Lobato, A.

Lu, C.

Luo, Y.

Man Chung, K.

Maruyama, R.

Mateo, E.

Matsuo, S.

R. Maruyama, N. Kuwaki, S. Matsuo, and M. Ohashi, “Two mode optical fibers with low and flattened differential modal delay suitable for WDM-MIMO combined system,” Opt. Express 22(12), 14311–14321 (2014).
[Crossref] [PubMed]

J. Tu, K. Saitoh, K. Takenaga, and S. Matsuo, “Heterogeneous trench-assisted few-mode multi-core fiber with low differential mode delay,” Opt. Express 22(4), 4329–4341 (2014).
[Crossref] [PubMed]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Optimized design method for bend-insensitive heterogeneous trench-assisted multi-core fiber with ultra-low crosstalk and high core density,” J. Lightwave Technol. 31(15), 2590–2598 (2013).
[Crossref]

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J. 4(5), 1987–1995 (2012).
[Crossref]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Design and analysis of large-effective-area heterogeneous trench-assisted multi-core fiber,” Opt. Express 20(14), 15157–15170 (2012).
[Crossref] [PubMed]

S. Matsuo, K. Takenaga, Y. Arakawa, Y. Sasaki, S. Taniagwa, K. Saitoh, and M. Koshiba, “Large-effective-area ten-core fiber with cladding diameter of about 200 μm,” Opt. Lett. 36(23), 4626–4628 (2011).
[Crossref] [PubMed]

K. Takenaga, Y. Arakawa, Y. Sasaki, S. Tanigawa, S. Matsuo, K. Saitoh, and M. Koshiba, “A large effective area multi-core fiber with an optimized cladding thickness,” Opt. Express 19(26), B543–B550 (2011).
[Crossref] [PubMed]

Molin, D.

Montero, C.

Moreno, V.

Mori, T.

Nicholson, J.

O’Brien, P.

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Ohashi, M.

Ohonkwo, C.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

Ohonkwo, C. M.

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Palsdottir, B.

Peng, G. D.

Prieto, X.

Raz, O.

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Saitoh, K.

J. Tu, K. Saitoh, K. Takenaga, and S. Matsuo, “Heterogeneous trench-assisted few-mode multi-core fiber with low differential mode delay,” Opt. Express 22(4), 4329–4341 (2014).
[Crossref] [PubMed]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Optimized design method for bend-insensitive heterogeneous trench-assisted multi-core fiber with ultra-low crosstalk and high core density,” J. Lightwave Technol. 31(15), 2590–2598 (2013).
[Crossref]

K. Takenaga, Y. Sasaki, N. Guan, M. Kasahara, K. Saitoh, and M. Koshiba, “Large effective-area few-mode multicore fiber,” IEEE Photon. Technol. Lett. 24(21), 1941–1944 (2012).
[Crossref]

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J. 4(5), 1987–1995 (2012).
[Crossref]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Design and analysis of large-effective-area heterogeneous trench-assisted multi-core fiber,” Opt. Express 20(14), 15157–15170 (2012).
[Crossref] [PubMed]

K. Takenaga, Y. Arakawa, Y. Sasaki, S. Tanigawa, S. Matsuo, K. Saitoh, and M. Koshiba, “A large effective area multi-core fiber with an optimized cladding thickness,” Opt. Express 19(26), B543–B550 (2011).
[Crossref] [PubMed]

S. Matsuo, K. Takenaga, Y. Arakawa, Y. Sasaki, S. Taniagwa, K. Saitoh, and M. Koshiba, “Large-effective-area ten-core fiber with cladding diameter of about 200 μm,” Opt. Lett. 36(23), 4626–4628 (2011).
[Crossref] [PubMed]

K. Saitoh and M. Koshiba, “Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: Application to photonic crystal fibers,” IEEE J. Quantum Electron. 38(7), 927–933 (2002).
[Crossref]

Sakamoto, T.

Sasaki, T.

Sasaki, Y.

Sasaoka, E.

Shimakawa, O.

Sillard, P.

Sleiffer, V.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Sleiffer, V. A. J. M.

Snyder, B.

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Spinnler, B.

Sun, Y.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

L. Gruner-Nielsen, Y. Sun, J. Nicholson, D. Jakobsen, K. Jespersen, R. Lingle, and B. Palsdottir, “Few mode transmission fiber with low DGD, low mode coupling, and low loss,” J. Lightwave Technol. 30(23), 3693–3698 (2012).
[Crossref]

Takenaga, K.

J. Tu, K. Saitoh, K. Takenaga, and S. Matsuo, “Heterogeneous trench-assisted few-mode multi-core fiber with low differential mode delay,” Opt. Express 22(4), 4329–4341 (2014).
[Crossref] [PubMed]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Optimized design method for bend-insensitive heterogeneous trench-assisted multi-core fiber with ultra-low crosstalk and high core density,” J. Lightwave Technol. 31(15), 2590–2598 (2013).
[Crossref]

K. Takenaga, Y. Sasaki, N. Guan, M. Kasahara, K. Saitoh, and M. Koshiba, “Large effective-area few-mode multicore fiber,” IEEE Photon. Technol. Lett. 24(21), 1941–1944 (2012).
[Crossref]

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J. 4(5), 1987–1995 (2012).
[Crossref]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Design and analysis of large-effective-area heterogeneous trench-assisted multi-core fiber,” Opt. Express 20(14), 15157–15170 (2012).
[Crossref] [PubMed]

K. Takenaga, Y. Arakawa, Y. Sasaki, S. Tanigawa, S. Matsuo, K. Saitoh, and M. Koshiba, “A large effective area multi-core fiber with an optimized cladding thickness,” Opt. Express 19(26), B543–B550 (2011).
[Crossref] [PubMed]

S. Matsuo, K. Takenaga, Y. Arakawa, Y. Sasaki, S. Taniagwa, K. Saitoh, and M. Koshiba, “Large-effective-area ten-core fiber with cladding diameter of about 200 μm,” Opt. Lett. 36(23), 4626–4628 (2011).
[Crossref] [PubMed]

Tam, H. Y.

Taniagwa, S.

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Tse, V.

Tu, J.

Uden, R.

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

van den Borne, D.

Waardt, H.

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

Wada, M.

Wang, T.

Yamamoto, F.

Yamamoto, T.

Yaman, F.

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K. Saitoh and M. Koshiba, “Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: Application to photonic crystal fibers,” IEEE J. Quantum Electron. 38(7), 927–933 (2002).
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IEEE Photon. J. (1)

M. Koshiba, K. Saitoh, K. Takenaga, and S. Matsuo, “Analytical expression of average power-coupling coefficients for estimating intercore crosstalk in multicore fibers,” IEEE Photon. J. 4(5), 1987–1995 (2012).
[Crossref]

IEEE Photon. Technol. Lett. (3)

K. Takenaga, Y. Sasaki, N. Guan, M. Kasahara, K. Saitoh, and M. Koshiba, “Large effective-area few-mode multicore fiber,” IEEE Photon. Technol. Lett. 24(21), 1941–1944 (2012).
[Crossref]

H. Chen, V. Sleiffer, F. Huijskens, R. Uden, C. Ohonkwo, P. Leoni, M. Kuschnerov, L. Grüner-Nielsen, Y. Sun, H. Waardt, and T. Koonen, “Employing Prism-Based Three-Spot Mode Couplers for High Capacity MDM/WDM Transmission,” IEEE Photon. Technol. Lett. 25(24), 2474–2477 (2013).
[Crossref]

H. Chen, V. Sleiffer, B. Snyder, M. Kuschnerov, R. Uden, Y. Jung, C. M. Ohonkwo, O. Raz, P. O’Brien, H. Waardt, and T. Koonen, “Demonstration of a Photonic Integrated Mode Coupler With MDM and WDM Transmission,” IEEE Photon. Technol. Lett. 25(21), 2039–2042 (2013).
[Crossref]

J. Lightwave Technol. (5)

Opt. Express (7)

J. Tu, K. Saitoh, K. Takenaga, and S. Matsuo, “Heterogeneous trench-assisted few-mode multi-core fiber with low differential mode delay,” Opt. Express 22(4), 4329–4341 (2014).
[Crossref] [PubMed]

R. Maruyama, N. Kuwaki, S. Matsuo, and M. Ohashi, “Two mode optical fibers with low and flattened differential modal delay suitable for WDM-MIMO combined system,” Opt. Express 22(12), 14311–14321 (2014).
[Crossref] [PubMed]

T. Hayashi, T. Taru, O. Shimakawa, T. Sasaki, and E. Sasaoka, “Design and fabrication of ultra-low crosstalk and low-loss multi-core fiber,” Opt. Express 19(17), 16576–16592 (2011).
[Crossref] [PubMed]

K. Takenaga, Y. Arakawa, Y. Sasaki, S. Tanigawa, S. Matsuo, K. Saitoh, and M. Koshiba, “A large effective area multi-core fiber with an optimized cladding thickness,” Opt. Express 19(26), B543–B550 (2011).
[Crossref] [PubMed]

N. Bai, E. Ip, Y. K. Huang, E. Mateo, F. Yaman, M. J. Li, S. Bickham, S. Ten, J. Liñares, C. Montero, V. Moreno, X. Prieto, V. Tse, K. Man Chung, A. P. T. Lau, H. Y. Tam, C. Lu, Y. Luo, G. D. Peng, G. Li, and T. Wang, “Mode-division multiplexed transmission with inline few-mode fiber amplifier,” Opt. Express 20(3), 2668–2680 (2012).
[Crossref] [PubMed]

B. Inan, B. Spinnler, F. Ferreira, D. van den Borne, A. Lobato, S. Adhikari, V. A. J. M. Sleiffer, M. Kuschnerov, N. Hanik, and S. L. Jansen, “DSP complexity of mode-division multiplexed receivers,” Opt. Express 20(10), 10859–10869 (2012).
[Crossref] [PubMed]

J. Tu, K. Saitoh, M. Koshiba, K. Takenaga, and S. Matsuo, “Design and analysis of large-effective-area heterogeneous trench-assisted multi-core fiber,” Opt. Express 20(14), 15157–15170 (2012).
[Crossref] [PubMed]

Opt. Lett. (1)

Other (6)

K. Shibahara, T. Mizuno, H. Takara, A. Sano, H. Kawakami, D. Lee, Y. Miyamoto, H. Ono, M. Oguma, Y. Abe, T. Kobayashi, T. Matsui, R. Fukumoto, Y. Amma, T. Hosokawa, S. Matsuo, K. Saito, H. Nasu, and T. Morioka, “Dense SDM (12-core×3-mode) transmission over 527 km with 33.2-ns mode-dispersion employing low-complexity parallel MIMO frequency-domain equalization,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2015), paper Th5C.3.

Y. Amma, Y. Sasaki, K. Takenaga, S. Matsuo, J. Tu, K. Saitoh, M. Koshiba, T. Morioka, and Y. Miyamoto, “High-density multicore fiber with heterogeneous core arrangement,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2015), paper Th4C.4.
[Crossref]

R. Ryf, S. Randel, M. A. Mestre, C. Schmidt, A. H. Gnauck, R.-J. Essiambre, P. J. Winzer, R. Delbue, P. Pupalaikis, A. Sureka, Y. Sun, X. Jiang, A. H. McCurdy, D. W. Peckham, and R. Lingle, Jr., “209-km single-span mode- and wavelength-multiplexed transmission over hybrid few-mode fiber,” in European Conference and Exhibition on Optical Communication (ECOC) (Optical Society of America, Washington, DC, 2012), paper Tu.1.C.1.
[Crossref]

C. Xia, R. Amezcua-Correa, N. Bai, E. Antonio-Lopez, D. May-Arrioja, A. Schulzgen, M. Richardson, J. Linares, C. Montero, E. Mateo, X. Zhou, and G. Li, “Low-crosstalk few-mode multi-core fiber for high-mode-density space-division multiplexing,” in European Conference and Exhibition on Optical Communication (ECOC) (Optical Society of America, Washington, DC, 2012), paper Mo.1.F.5.

S. Matsuo, Y. Sasaki, I. Ishida, K. Takenaga, K. Saitoh, and M. Koshiba, “Recent progress on multi-core fiber and few-mode fiber,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2013), paper OM3I.3.
[Crossref]

R. Maruyama, N. Kuwaki, S. Matuo, K. Sato, and M. Ohashi, “Mode dispersion compensating optical transmission line composed of two-mode optical fibers,” in Optical Fiber Communication Conference, OSA Technical Digest (CD) (Optical Society of America, 2012), paper JW2A.13.

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Figures (12)

Fig. 1
Fig. 1 Refractive index profiles of TA-GI-FMC.
Fig. 2
Fig. 2 Concept figure which illustrates DMD as function of r1 and Δ1.
Fig. 3
Fig. 3 DMD as function of r2/r1 and α at λ = 1550 nm when (a) (r1, Δ1) = (9.0 µm, 0.4%), (b) (r1, Δ1) = (9.5 µm, 0.446%), and (c) (r1, Δ1) = (10.0 µm, 0.5%).
Fig. 4
Fig. 4 DMD slope as function of r2/r1 and α at λ = 1550 nm when r1 = 9.5, Δ1 = 0.5%, Δt = −0.7%.
Fig. 5
Fig. 5 DMD at λ of 1550 nm as function of r1 and Δ1 when r2/r1 = 1.3, α = 2.2, and Δt = −0.7%.
Fig. 6
Fig. 6 Dependence of DMD on wavelength for core 1 and core 2.
Fig. 7
Fig. 7 Cross section of four-core fiber model.
Fig. 8
Fig. 8 Dependence of bending loss at R of 140 mm on OCT when wavelength is 1625 nm, 1565 nm, and 1550 nm.
Fig. 9
Fig. 9 Core arrangement of 12-core Hetero-TA-FM-MCF with graded-index profile.
Fig. 10
Fig. 10 Dependence of inter-core crosstalk on core pitch at λ = 1565 nm when L = 500 km and R = 500 mm.
Fig. 11
Fig. 11 Cable cutoff wavelength of LP21 mode in the core 1 and 2 located in the area surrounded by the dash line as function of core pitch.
Fig. 12
Fig. 12 Dependence of XT11-11 on bending radius at λ = 1565 nm when Λ = 43 µm.

Tables (1)

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Table 1 Design Parameters and Characteristics of Core 1 and Core 2

Equations (2)

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D cl =Λ/sin(π/ N core )+2OCT,
D cl = 10 Λ+2OCT.

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