Abstract

Simultaneous mode locking and Q switching is accomplished in a diode-pumped Nd:YVO4/GaAs laser. The average output power is ∼2.0 W at 10.6-W absorbed pump power, and the repetition rate of the Q-switched pulse is ∼120 kHz. The mode-locked pulse inside the Q-switched pulse has a repetition rate of ∼148 MHz, and its average duration is estimated to be ∼100 ps.

© 2001 Optical Society of America

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  1. H. W. Mocker, R. J. Collins, “Mode competition and self-locking effects in a Q-switched ruby laser,” Appl. Phys. Lett. 7, 270–274 (1965).
    [CrossRef]
  2. A. J. DeMaria, D. A. Stetser, H. Heynau, “Self mode-locking of lasers with saturable absorbers,” Appl. Phys. Lett. 8, 174–176 (1966).
    [CrossRef]
  3. F. X. Kartner, I. D. Jung, U. Keller, “Soliton mode-locking with saturable absorbers,” IEEE J. Sel. Top. Quantum Electron. 2, 540–556 (1996).
    [CrossRef]
  4. T. M. Jeong, C. M. Chung, H. S. Kim, C. H. Nam, C. J. Kim, “Generation of passively Q-switched and modelocked pulse from Nd:YVO4 laser with Cr4+:YAG saturable absorber,” Electron. Lett. 36, 633–634 (2000).
    [CrossRef]
  5. Y. F. Chen, S. W. Tsai, S. C. Wang, “High-power diode-pumped Q-switched and mode-locked Nd:YVO4 laser with a Cr4+:YAG saturable absorber,” Opt. Lett. 25, 1442–1444 (2000).
    [CrossRef]
  6. Z. Zhang, L. Qian, D. Fan, X. Deng, “Gallium arsenide: a new material to accomplish passively mode-locked Nd:YAG laser,” Appl. Phys. Lett. 60, 419–421 (1992).
    [CrossRef]
  7. V. Kubecek, S. Kumazaki, Y. Takagi, G. C. Reali, K. Yoshihara, “Actively and passively mode-locked Nd:YAP(YAlO3) laser with negative feedback using CdSe and GaAs,” Jpn. J. Appl. Phys. 30, L1889–L1891 (1991).
    [CrossRef]
  8. T. T. Kajava, A. L. Gaeta, “Q-switching of a diode-pumped Nd:YAG laser with GaAs,” Opt. Lett. 21, 1244–1246 (1996).
    [CrossRef] [PubMed]
  9. M. Jiang, G. Sucha, M. E. Fermann, J. Jimenez, D. Harter, “Nonlinearly limited saturable-absorber mode locking of an erbium fiber laser,” Opt. Lett. 24, 1074–1076 (1999).
    [CrossRef]
  10. N. Sarukura, Y. Ishida, T. Yanagawa, H. Nakano, “All solid-state cw passively mode-locked Ti-sapphire laser using a colored glass filter,” Appl. Phys. Lett. 57, 229–230 (1990).
    [CrossRef]
  11. I. P. Bilinsky, R. P. Prasankumar, J. G. Fujimoto, “Self-staring mode locking and Kerr-lens mode locking of a Ti:Al2O3 laser by use of semiconductor-doped glass structures,” J. Opt. Soc. Am. B 16, 546–549 (1999).
    [CrossRef]
  12. J. A. Fleck, “Ultrashort-pulse generation by Q-switched lasers,” Phy. Rev. B 1, 84–100 (1970).
    [CrossRef]
  13. P. G. Kryukov, V. S. Letokhov, “Fluctuation mechanism of ultrashort pulse generation by laser with saturable absorber,” IEEE J. Quantum Electron. 8, 766–782 (1972).
    [CrossRef]
  14. Y. F. Chen, “Design criteria for concentration optimization in scaling diode end-pumped lasers to high powers: influence of thermal fracture,” IEEE J. Quantum Electron. 35, 234–239 (1999).
    [CrossRef]
  15. G. Q. Gu, F. Zhou, G. Zhang, M. K. Chin, “Passive Q-switched single-frequency Nd:YVO4 laser with GaAs saturable absorber,” Electron. Lett. 34, 564–565 (1998).
    [CrossRef]

2000 (2)

T. M. Jeong, C. M. Chung, H. S. Kim, C. H. Nam, C. J. Kim, “Generation of passively Q-switched and modelocked pulse from Nd:YVO4 laser with Cr4+:YAG saturable absorber,” Electron. Lett. 36, 633–634 (2000).
[CrossRef]

Y. F. Chen, S. W. Tsai, S. C. Wang, “High-power diode-pumped Q-switched and mode-locked Nd:YVO4 laser with a Cr4+:YAG saturable absorber,” Opt. Lett. 25, 1442–1444 (2000).
[CrossRef]

1999 (3)

1998 (1)

G. Q. Gu, F. Zhou, G. Zhang, M. K. Chin, “Passive Q-switched single-frequency Nd:YVO4 laser with GaAs saturable absorber,” Electron. Lett. 34, 564–565 (1998).
[CrossRef]

1996 (2)

F. X. Kartner, I. D. Jung, U. Keller, “Soliton mode-locking with saturable absorbers,” IEEE J. Sel. Top. Quantum Electron. 2, 540–556 (1996).
[CrossRef]

T. T. Kajava, A. L. Gaeta, “Q-switching of a diode-pumped Nd:YAG laser with GaAs,” Opt. Lett. 21, 1244–1246 (1996).
[CrossRef] [PubMed]

1992 (1)

Z. Zhang, L. Qian, D. Fan, X. Deng, “Gallium arsenide: a new material to accomplish passively mode-locked Nd:YAG laser,” Appl. Phys. Lett. 60, 419–421 (1992).
[CrossRef]

1991 (1)

V. Kubecek, S. Kumazaki, Y. Takagi, G. C. Reali, K. Yoshihara, “Actively and passively mode-locked Nd:YAP(YAlO3) laser with negative feedback using CdSe and GaAs,” Jpn. J. Appl. Phys. 30, L1889–L1891 (1991).
[CrossRef]

1990 (1)

N. Sarukura, Y. Ishida, T. Yanagawa, H. Nakano, “All solid-state cw passively mode-locked Ti-sapphire laser using a colored glass filter,” Appl. Phys. Lett. 57, 229–230 (1990).
[CrossRef]

1972 (1)

P. G. Kryukov, V. S. Letokhov, “Fluctuation mechanism of ultrashort pulse generation by laser with saturable absorber,” IEEE J. Quantum Electron. 8, 766–782 (1972).
[CrossRef]

1970 (1)

J. A. Fleck, “Ultrashort-pulse generation by Q-switched lasers,” Phy. Rev. B 1, 84–100 (1970).
[CrossRef]

1966 (1)

A. J. DeMaria, D. A. Stetser, H. Heynau, “Self mode-locking of lasers with saturable absorbers,” Appl. Phys. Lett. 8, 174–176 (1966).
[CrossRef]

1965 (1)

H. W. Mocker, R. J. Collins, “Mode competition and self-locking effects in a Q-switched ruby laser,” Appl. Phys. Lett. 7, 270–274 (1965).
[CrossRef]

Bilinsky, I. P.

Chen, Y. F.

Y. F. Chen, S. W. Tsai, S. C. Wang, “High-power diode-pumped Q-switched and mode-locked Nd:YVO4 laser with a Cr4+:YAG saturable absorber,” Opt. Lett. 25, 1442–1444 (2000).
[CrossRef]

Y. F. Chen, “Design criteria for concentration optimization in scaling diode end-pumped lasers to high powers: influence of thermal fracture,” IEEE J. Quantum Electron. 35, 234–239 (1999).
[CrossRef]

Chin, M. K.

G. Q. Gu, F. Zhou, G. Zhang, M. K. Chin, “Passive Q-switched single-frequency Nd:YVO4 laser with GaAs saturable absorber,” Electron. Lett. 34, 564–565 (1998).
[CrossRef]

Chung, C. M.

T. M. Jeong, C. M. Chung, H. S. Kim, C. H. Nam, C. J. Kim, “Generation of passively Q-switched and modelocked pulse from Nd:YVO4 laser with Cr4+:YAG saturable absorber,” Electron. Lett. 36, 633–634 (2000).
[CrossRef]

Collins, R. J.

H. W. Mocker, R. J. Collins, “Mode competition and self-locking effects in a Q-switched ruby laser,” Appl. Phys. Lett. 7, 270–274 (1965).
[CrossRef]

DeMaria, A. J.

A. J. DeMaria, D. A. Stetser, H. Heynau, “Self mode-locking of lasers with saturable absorbers,” Appl. Phys. Lett. 8, 174–176 (1966).
[CrossRef]

Deng, X.

Z. Zhang, L. Qian, D. Fan, X. Deng, “Gallium arsenide: a new material to accomplish passively mode-locked Nd:YAG laser,” Appl. Phys. Lett. 60, 419–421 (1992).
[CrossRef]

Fan, D.

Z. Zhang, L. Qian, D. Fan, X. Deng, “Gallium arsenide: a new material to accomplish passively mode-locked Nd:YAG laser,” Appl. Phys. Lett. 60, 419–421 (1992).
[CrossRef]

Fermann, M. E.

Fleck, J. A.

J. A. Fleck, “Ultrashort-pulse generation by Q-switched lasers,” Phy. Rev. B 1, 84–100 (1970).
[CrossRef]

Fujimoto, J. G.

Gaeta, A. L.

Gu, G. Q.

G. Q. Gu, F. Zhou, G. Zhang, M. K. Chin, “Passive Q-switched single-frequency Nd:YVO4 laser with GaAs saturable absorber,” Electron. Lett. 34, 564–565 (1998).
[CrossRef]

Harter, D.

Heynau, H.

A. J. DeMaria, D. A. Stetser, H. Heynau, “Self mode-locking of lasers with saturable absorbers,” Appl. Phys. Lett. 8, 174–176 (1966).
[CrossRef]

Ishida, Y.

N. Sarukura, Y. Ishida, T. Yanagawa, H. Nakano, “All solid-state cw passively mode-locked Ti-sapphire laser using a colored glass filter,” Appl. Phys. Lett. 57, 229–230 (1990).
[CrossRef]

Jeong, T. M.

T. M. Jeong, C. M. Chung, H. S. Kim, C. H. Nam, C. J. Kim, “Generation of passively Q-switched and modelocked pulse from Nd:YVO4 laser with Cr4+:YAG saturable absorber,” Electron. Lett. 36, 633–634 (2000).
[CrossRef]

Jiang, M.

Jimenez, J.

Jung, I. D.

F. X. Kartner, I. D. Jung, U. Keller, “Soliton mode-locking with saturable absorbers,” IEEE J. Sel. Top. Quantum Electron. 2, 540–556 (1996).
[CrossRef]

Kajava, T. T.

Kartner, F. X.

F. X. Kartner, I. D. Jung, U. Keller, “Soliton mode-locking with saturable absorbers,” IEEE J. Sel. Top. Quantum Electron. 2, 540–556 (1996).
[CrossRef]

Keller, U.

F. X. Kartner, I. D. Jung, U. Keller, “Soliton mode-locking with saturable absorbers,” IEEE J. Sel. Top. Quantum Electron. 2, 540–556 (1996).
[CrossRef]

Kim, C. J.

T. M. Jeong, C. M. Chung, H. S. Kim, C. H. Nam, C. J. Kim, “Generation of passively Q-switched and modelocked pulse from Nd:YVO4 laser with Cr4+:YAG saturable absorber,” Electron. Lett. 36, 633–634 (2000).
[CrossRef]

Kim, H. S.

T. M. Jeong, C. M. Chung, H. S. Kim, C. H. Nam, C. J. Kim, “Generation of passively Q-switched and modelocked pulse from Nd:YVO4 laser with Cr4+:YAG saturable absorber,” Electron. Lett. 36, 633–634 (2000).
[CrossRef]

Kryukov, P. G.

P. G. Kryukov, V. S. Letokhov, “Fluctuation mechanism of ultrashort pulse generation by laser with saturable absorber,” IEEE J. Quantum Electron. 8, 766–782 (1972).
[CrossRef]

Kubecek, V.

V. Kubecek, S. Kumazaki, Y. Takagi, G. C. Reali, K. Yoshihara, “Actively and passively mode-locked Nd:YAP(YAlO3) laser with negative feedback using CdSe and GaAs,” Jpn. J. Appl. Phys. 30, L1889–L1891 (1991).
[CrossRef]

Kumazaki, S.

V. Kubecek, S. Kumazaki, Y. Takagi, G. C. Reali, K. Yoshihara, “Actively and passively mode-locked Nd:YAP(YAlO3) laser with negative feedback using CdSe and GaAs,” Jpn. J. Appl. Phys. 30, L1889–L1891 (1991).
[CrossRef]

Letokhov, V. S.

P. G. Kryukov, V. S. Letokhov, “Fluctuation mechanism of ultrashort pulse generation by laser with saturable absorber,” IEEE J. Quantum Electron. 8, 766–782 (1972).
[CrossRef]

Mocker, H. W.

H. W. Mocker, R. J. Collins, “Mode competition and self-locking effects in a Q-switched ruby laser,” Appl. Phys. Lett. 7, 270–274 (1965).
[CrossRef]

Nakano, H.

N. Sarukura, Y. Ishida, T. Yanagawa, H. Nakano, “All solid-state cw passively mode-locked Ti-sapphire laser using a colored glass filter,” Appl. Phys. Lett. 57, 229–230 (1990).
[CrossRef]

Nam, C. H.

T. M. Jeong, C. M. Chung, H. S. Kim, C. H. Nam, C. J. Kim, “Generation of passively Q-switched and modelocked pulse from Nd:YVO4 laser with Cr4+:YAG saturable absorber,” Electron. Lett. 36, 633–634 (2000).
[CrossRef]

Prasankumar, R. P.

Qian, L.

Z. Zhang, L. Qian, D. Fan, X. Deng, “Gallium arsenide: a new material to accomplish passively mode-locked Nd:YAG laser,” Appl. Phys. Lett. 60, 419–421 (1992).
[CrossRef]

Reali, G. C.

V. Kubecek, S. Kumazaki, Y. Takagi, G. C. Reali, K. Yoshihara, “Actively and passively mode-locked Nd:YAP(YAlO3) laser with negative feedback using CdSe and GaAs,” Jpn. J. Appl. Phys. 30, L1889–L1891 (1991).
[CrossRef]

Sarukura, N.

N. Sarukura, Y. Ishida, T. Yanagawa, H. Nakano, “All solid-state cw passively mode-locked Ti-sapphire laser using a colored glass filter,” Appl. Phys. Lett. 57, 229–230 (1990).
[CrossRef]

Stetser, D. A.

A. J. DeMaria, D. A. Stetser, H. Heynau, “Self mode-locking of lasers with saturable absorbers,” Appl. Phys. Lett. 8, 174–176 (1966).
[CrossRef]

Sucha, G.

Takagi, Y.

V. Kubecek, S. Kumazaki, Y. Takagi, G. C. Reali, K. Yoshihara, “Actively and passively mode-locked Nd:YAP(YAlO3) laser with negative feedback using CdSe and GaAs,” Jpn. J. Appl. Phys. 30, L1889–L1891 (1991).
[CrossRef]

Tsai, S. W.

Wang, S. C.

Yanagawa, T.

N. Sarukura, Y. Ishida, T. Yanagawa, H. Nakano, “All solid-state cw passively mode-locked Ti-sapphire laser using a colored glass filter,” Appl. Phys. Lett. 57, 229–230 (1990).
[CrossRef]

Yoshihara, K.

V. Kubecek, S. Kumazaki, Y. Takagi, G. C. Reali, K. Yoshihara, “Actively and passively mode-locked Nd:YAP(YAlO3) laser with negative feedback using CdSe and GaAs,” Jpn. J. Appl. Phys. 30, L1889–L1891 (1991).
[CrossRef]

Zhang, G.

G. Q. Gu, F. Zhou, G. Zhang, M. K. Chin, “Passive Q-switched single-frequency Nd:YVO4 laser with GaAs saturable absorber,” Electron. Lett. 34, 564–565 (1998).
[CrossRef]

Zhang, Z.

Z. Zhang, L. Qian, D. Fan, X. Deng, “Gallium arsenide: a new material to accomplish passively mode-locked Nd:YAG laser,” Appl. Phys. Lett. 60, 419–421 (1992).
[CrossRef]

Zhou, F.

G. Q. Gu, F. Zhou, G. Zhang, M. K. Chin, “Passive Q-switched single-frequency Nd:YVO4 laser with GaAs saturable absorber,” Electron. Lett. 34, 564–565 (1998).
[CrossRef]

Appl. Phys. Lett. (4)

H. W. Mocker, R. J. Collins, “Mode competition and self-locking effects in a Q-switched ruby laser,” Appl. Phys. Lett. 7, 270–274 (1965).
[CrossRef]

A. J. DeMaria, D. A. Stetser, H. Heynau, “Self mode-locking of lasers with saturable absorbers,” Appl. Phys. Lett. 8, 174–176 (1966).
[CrossRef]

Z. Zhang, L. Qian, D. Fan, X. Deng, “Gallium arsenide: a new material to accomplish passively mode-locked Nd:YAG laser,” Appl. Phys. Lett. 60, 419–421 (1992).
[CrossRef]

N. Sarukura, Y. Ishida, T. Yanagawa, H. Nakano, “All solid-state cw passively mode-locked Ti-sapphire laser using a colored glass filter,” Appl. Phys. Lett. 57, 229–230 (1990).
[CrossRef]

Electron. Lett. (2)

G. Q. Gu, F. Zhou, G. Zhang, M. K. Chin, “Passive Q-switched single-frequency Nd:YVO4 laser with GaAs saturable absorber,” Electron. Lett. 34, 564–565 (1998).
[CrossRef]

T. M. Jeong, C. M. Chung, H. S. Kim, C. H. Nam, C. J. Kim, “Generation of passively Q-switched and modelocked pulse from Nd:YVO4 laser with Cr4+:YAG saturable absorber,” Electron. Lett. 36, 633–634 (2000).
[CrossRef]

IEEE J. Quantum Electron. (2)

P. G. Kryukov, V. S. Letokhov, “Fluctuation mechanism of ultrashort pulse generation by laser with saturable absorber,” IEEE J. Quantum Electron. 8, 766–782 (1972).
[CrossRef]

Y. F. Chen, “Design criteria for concentration optimization in scaling diode end-pumped lasers to high powers: influence of thermal fracture,” IEEE J. Quantum Electron. 35, 234–239 (1999).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (1)

F. X. Kartner, I. D. Jung, U. Keller, “Soliton mode-locking with saturable absorbers,” IEEE J. Sel. Top. Quantum Electron. 2, 540–556 (1996).
[CrossRef]

J. Opt. Soc. Am. B (1)

Jpn. J. Appl. Phys. (1)

V. Kubecek, S. Kumazaki, Y. Takagi, G. C. Reali, K. Yoshihara, “Actively and passively mode-locked Nd:YAP(YAlO3) laser with negative feedback using CdSe and GaAs,” Jpn. J. Appl. Phys. 30, L1889–L1891 (1991).
[CrossRef]

Opt. Lett. (3)

Phy. Rev. B (1)

J. A. Fleck, “Ultrashort-pulse generation by Q-switched lasers,” Phy. Rev. B 1, 84–100 (1970).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Configuration of a passively Q-switched mode-locked Nd:YVO4 laser with an uncoated GaAs.

Fig. 2
Fig. 2

Average output power and repetition rates of a passively Q-switched mode-locked pulse train with respect to pump power.

Fig. 3
Fig. 3

Oscilloscope traces of a train of Q-switched pulses.

Fig. 4
Fig. 4

(a) Expanded temporal shape of a single Q-switched pulse. (b) Oscilloscope traces of a train of mode-locked pulses.

Equations (4)

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PmPbackgroundln mμ,
m=m0g0tb/tr1/2,
μ=1-T0tbdg/dt,
Δν=c2nd1-RπR,

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