Abstract

By simultaneously employing the electro-optic (EO) modulator and Cr4+:YAG saturable absorber, a diode-pumped dual-loss-modulated Q-switched and mode-locked (QML) YVO4/NdYVO4/KTP green laser is presented. In comparison with the singly passively QML green laser with Cr4+:YAG, the dual-loss-modulated QML green laser with EO and Cr4+:YAG can generate more stable pulse train with deeper modulation depth, shorter pulse width, greater pulse energy and higher peak power. For the dual-loss-modulated QML green laser, at a pump power of 18 W and a repetition rate of 1 kHz, the pulse width and the pulse energy of the Q-switch envelope as well as the peak power of QML green laser are 42.1 ns, 360 μJ and 382 kW, respectively, corresponding to the pulse width compression 62%, the pulse energy improvement 10 times and the QML peak power increase 40 times when compared with that of the singly passively QML green laser.

©2010 Optical Society of America

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References

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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref]
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2008 (5)

2007 (2)

W. Tian, C. Wang, G. Wang, S. Liu, and J. Liu, “Performance of diode-pumped passively Q-switched mode-locking Nd:GdVO4/KTP green laser with Cr4+:YAG,” Laser Phys. Lett. 4(3), 196–199 (2007).
[Crossref]

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

2006 (1)

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

2004 (2)

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

P. Datta, S. Mukhopadhyay, S. Das, L. Tartara, A. Agnesi, and V. Degiorgio, “Enhancement of stability and efficiency of a nonlinear mirror mode-locked Nd:YVO(4) oscillator by an active Q-switch,” Opt. Express 12(17), 4041–4046 (2004).
[Crossref] [PubMed]

2003 (2)

J. Y. Wang, Q. Zheng, Q. H. Xue, and H. M. Tan, “Diode- pumped, Cr:YAG passively Q-switched and mode-locked Nd:YVO4/KTP green laser,” Chin. Opt. Lett. 1, 604–605 (2003).

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

2000 (1)

1998 (1)

1996 (1)

1989 (1)

Agnesi, A.

Alsous, M. B.

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

Alsousb, M.

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

An, J.

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

Bonelli, L.

Chen, Y. F.

Coluccelli, N.

Das, S.

Datta, P.

Degiorgio, V.

Dekorsy, T.

Di Lieto, A.

Dimmick, T. E.

Gaeta, A. L.

Galzerano, G.

George, J.

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

Georgea, J.

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

Gupta, P. K.

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

Guptac, P.

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

He, J.

Hsieh, W. F.

J. H. Lin, K. H. Lin, H. H. Hsu, and W. F. Hsieh, “Q-switched and mode-locked pulses generation in Nd:GdVO4 laser with dual loss-modulation mechanism,” Laser Phys. Lett. 5(4), 276–280 (2008).
[Crossref]

Hsu, H. H.

J. H. Lin, K. H. Lin, H. H. Hsu, and W. F. Hsieh, “Q-switched and mode-locked pulses generation in Nd:GdVO4 laser with dual loss-modulation mechanism,” Laser Phys. Lett. 5(4), 276–280 (2008).
[Crossref]

Hwang, T. M.

Kajava, T. T.

Killi, A.

Kleinbauer, J.

Knappe, R.

C. Theobald, M. Weitz, R. Knappe, R. Wallenstein, and J. A. L’huillier, “Stable Q-switch mode-locking of Nd:YVO4 lasers with a semiconductor saturable absorber,” Appl. Phys. B 92(1), 1–3 (2008).
[Crossref]

L’huillier, J. A.

C. Theobald, M. Weitz, R. Knappe, R. Wallenstein, and J. A. L’huillier, “Stable Q-switch mode-locking of Nd:YVO4 lasers with a semiconductor saturable absorber,” Appl. Phys. B 92(1), 1–3 (2008).
[Crossref]

Laporta, P.

Li, D.

K. Yang, S. Zhao, J. He, B. Zhang, C. Zuo, G. Li, D. Li, and M. Li, “Diode-pumped passively Q-switched and mode-locked Nd:GdVO4 laser at 1.34 microm with V:YAG saturable absorber,” Opt. Express 16(25), 20176–20185 (2008).
[Crossref] [PubMed]

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

Li, G.

K. Yang, S. Zhao, J. He, B. Zhang, C. Zuo, G. Li, D. Li, and M. Li, “Diode-pumped passively Q-switched and mode-locked Nd:GdVO4 laser at 1.34 microm with V:YAG saturable absorber,” Opt. Express 16(25), 20176–20185 (2008).
[Crossref] [PubMed]

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

Li, M.

K. Yang, S. Zhao, J. He, B. Zhang, C. Zuo, G. Li, D. Li, and M. Li, “Diode-pumped passively Q-switched and mode-locked Nd:GdVO4 laser at 1.34 microm with V:YAG saturable absorber,” Opt. Express 16(25), 20176–20185 (2008).
[Crossref] [PubMed]

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

Lin, J. H.

J. H. Lin, K. H. Lin, H. H. Hsu, and W. F. Hsieh, “Q-switched and mode-locked pulses generation in Nd:GdVO4 laser with dual loss-modulation mechanism,” Laser Phys. Lett. 5(4), 276–280 (2008).
[Crossref]

Lin, K. H.

J. H. Lin, K. H. Lin, H. H. Hsu, and W. F. Hsieh, “Q-switched and mode-locked pulses generation in Nd:GdVO4 laser with dual loss-modulation mechanism,” Laser Phys. Lett. 5(4), 276–280 (2008).
[Crossref]

C. L. Wang, K. H. Lin, T. M. Hwang, Y. F. Chen, S. C. Wang, and C. L. Pan, “Mode-locked diode-pumped self-frequency-Doubling neodymium Yttrium Aluminum Borate Laser,” Appl. Opt. 37(15), 3282–3285 (1998).
[Crossref]

Liu, J.

W. Tian, C. Wang, G. Wang, S. Liu, and J. Liu, “Performance of diode-pumped passively Q-switched mode-locking Nd:GdVO4/KTP green laser with Cr4+:YAG,” Laser Phys. Lett. 4(3), 196–199 (2007).
[Crossref]

Liu, S.

W. Tian, C. Wang, G. Wang, S. Liu, and J. Liu, “Performance of diode-pumped passively Q-switched mode-locking Nd:GdVO4/KTP green laser with Cr4+:YAG,” Laser Phys. Lett. 4(3), 196–199 (2007).
[Crossref]

Mukhopadhyay, P. K.

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

Mukhopadhyay, S.

Mukhopadhyaya, P.

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

Nathan, T. P. S.

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

Nathana, T.

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

Neuhaus, J.

Pan, C. L.

Ranganathan, R.

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

Ranganathana, K.

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

Sharma, S. K.

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

Sharmaa, S.

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

Sutter, D.

Tan, H. M.

Tartara, L.

Theobald, C.

C. Theobald, M. Weitz, R. Knappe, R. Wallenstein, and J. A. L’huillier, “Stable Q-switch mode-locking of Nd:YVO4 lasers with a semiconductor saturable absorber,” Appl. Phys. B 92(1), 1–3 (2008).
[Crossref]

Tian, W.

W. Tian, C. Wang, G. Wang, S. Liu, and J. Liu, “Performance of diode-pumped passively Q-switched mode-locking Nd:GdVO4/KTP green laser with Cr4+:YAG,” Laser Phys. Lett. 4(3), 196–199 (2007).
[Crossref]

Tonelli, M.

Tsai, S. W.

Wallenstein, R.

C. Theobald, M. Weitz, R. Knappe, R. Wallenstein, and J. A. L’huillier, “Stable Q-switch mode-locking of Nd:YVO4 lasers with a semiconductor saturable absorber,” Appl. Phys. B 92(1), 1–3 (2008).
[Crossref]

Wang, C.

W. Tian, C. Wang, G. Wang, S. Liu, and J. Liu, “Performance of diode-pumped passively Q-switched mode-locking Nd:GdVO4/KTP green laser with Cr4+:YAG,” Laser Phys. Lett. 4(3), 196–199 (2007).
[Crossref]

Wang, C. L.

Wang, G.

W. Tian, C. Wang, G. Wang, S. Liu, and J. Liu, “Performance of diode-pumped passively Q-switched mode-locking Nd:GdVO4/KTP green laser with Cr4+:YAG,” Laser Phys. Lett. 4(3), 196–199 (2007).
[Crossref]

Wang, J.

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

Wang, J. Y.

Wang, S. C.

Weiler, S.

Weitz, M.

C. Theobald, M. Weitz, R. Knappe, R. Wallenstein, and J. A. L’huillier, “Stable Q-switch mode-locking of Nd:YVO4 lasers with a semiconductor saturable absorber,” Appl. Phys. B 92(1), 1–3 (2008).
[Crossref]

Xue, Q. H.

Yang, K.

K. Yang, S. Zhao, J. He, B. Zhang, C. Zuo, G. Li, D. Li, and M. Li, “Diode-pumped passively Q-switched and mode-locked Nd:GdVO4 laser at 1.34 microm with V:YAG saturable absorber,” Opt. Express 16(25), 20176–20185 (2008).
[Crossref] [PubMed]

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

Zhang, B.

Zhao, S.

K. Yang, S. Zhao, J. He, B. Zhang, C. Zuo, G. Li, D. Li, and M. Li, “Diode-pumped passively Q-switched and mode-locked Nd:GdVO4 laser at 1.34 microm with V:YAG saturable absorber,” Opt. Express 16(25), 20176–20185 (2008).
[Crossref] [PubMed]

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

Zheng, Q.

Zuo, C.

Appl. Opt. (1)

Appl. Phys. B (2)

C. Theobald, M. Weitz, R. Knappe, R. Wallenstein, and J. A. L’huillier, “Stable Q-switch mode-locking of Nd:YVO4 lasers with a semiconductor saturable absorber,” Appl. Phys. B 92(1), 1–3 (2008).
[Crossref]

P. K. Mukhopadhyay, M. B. Alsous, R. Ranganathan, S. K. Sharma, P. K. Gupta, J. George, and T. P. S. Nathan, “Analysis of laser-diode end-pumped in-tracavity frequency-doubled, passively Q-switched and mode-locked Nd:YVO4 laser,” Appl. Phys. B 79(6), 713–720 (2004).
[Crossref]

Chin. Opt. Lett. (1)

J. Appl. Phys. (1)

K. Yang, S. Zhao, G. Li, D. Li, J. Wang, J. An, and M. Li, “Self-mode locking in a diode-pumped self-Q-switched green laser,” J. Appl. Phys. 101(1), 013105 (2007).
[Crossref]

J. Opt. A, Pure Appl. Opt. (1)

M. Li, S. Zhao, K. Yang, G. Li, D. Li, J. Wang, and J. An, “Analysis of a laser-diode end-pumped intracavity frequency-doubled passively Q-switched and mode-locked Nd:GdVO4/KTP laser,” J. Opt. A, Pure Appl. Opt. 8(11), 1007–1012 (2006).
[Crossref]

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J. H. Lin, K. H. Lin, H. H. Hsu, and W. F. Hsieh, “Q-switched and mode-locked pulses generation in Nd:GdVO4 laser with dual loss-modulation mechanism,” Laser Phys. Lett. 5(4), 276–280 (2008).
[Crossref]

W. Tian, C. Wang, G. Wang, S. Liu, and J. Liu, “Performance of diode-pumped passively Q-switched mode-locking Nd:GdVO4/KTP green laser with Cr4+:YAG,” Laser Phys. Lett. 4(3), 196–199 (2007).
[Crossref]

Opt. Commun. (1)

P. Mukhopadhyaya, M. Alsousb, K. Ranganathana, S. Sharmaa, P. Guptac, J. Georgea, and T. Nathana, “Simultaneous Q-switching and mode-locking in an intracavity frequency doubled diode-pumped Nd:YVO4/KTP green laser with Cr:YAG,” Opt. Commun. 222(1-6), 399–404 (2003).
[Crossref]

Opt. Express (3)

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Figures (9)

Fig. 1
Fig. 1 Experimental setup of QML YVO4/Nd:YVO4/KTP green laser with EO and Cr4+:YAG
Fig. 2
Fig. 2 Average output power versus incident pump power for various EO frequencies.
Fig. 3
Fig. 3 Oscilloscope traces of the pulse trains for two QML green lasers. Upper part: Cr4+:YAG single QML laser, lower part: EO/Cr4+:YAG doubly QML laser.
Fig. 4
Fig. 4 Oscilloscope profiles of the Q-switched pulse envelope for two QML green lasers at the pump power of 18 W. Upper part: Cr4+:YAG single QML pulse, lower part: EO/Cr4+:YAG doubly QML pulse.
Fig. 5
Fig. 5 Expanded oscilloscope traces of the trains for two QML green lasers at the pump power of 18 W. Upper part: Cr4+:YAG single QML pulse, lower part: EO/Cr4+:YAG doubly QML pulse.
Fig. 6
Fig. 6 Pulse width of the Q-switched envelope versus the incident pump power.
Fig. 7
Fig. 7 Pulse energy of the Q-switched envelope versus the incident pump power.
Fig. 8
Fig. 8 Average mode-locked pulse energy versus the incident pump power.
Fig. 9
Fig. 9 Average mode-locked pulse peak power versus the incident pump power.

Equations (1)

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treal=(tmeasure2tprobe2toscilloscope2)1/2,

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