Abstract

We investigated the properties of a diode-pumped Nd:YAG laser that is passively Q switched by a thin, single-crystal GaAs wafer. At 3 W of incident pump power, the laser produced stable 7-ns pulses with 20 μJ of energy at a 6-kHz repetition rate. For pump powers up to 2.2 W, which resulted in 13.2-μJ pulses, the output mode was TEM00. The shortest pulses that we observed were 3 ns in duration. In addition to saturable absorption, we find that two-photon absorption and free-carrier effects determine pulse formation.

© 1996 Optical Society of America

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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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1995 (4)

1994 (1)

1993 (2)

1992 (3)

J. J. Zayhowski, C. Dill, Opt. Lett. 17, 1201 (1992).
[CrossRef] [PubMed]

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Z. Zhang, L. Qian, D. Fan, X. Deng, Appl. Phys. Lett. 60, 419 (1992).
[CrossRef]

1991 (1)

J. J. Zayhowski, P. L. Kelley, IEEE J. Quantum Electron. 27, 2220 (1991).
[CrossRef]

1988 (3)

A. L. Smirl, G. C. Valley, K. M. Bohnert, T. F. Boggess, IEEE J. Quantum Electron. 24, 289 (1988).
[CrossRef]

G. C. Valley, A. L. Smirl, IEEE J. Quantum Electron. 24, 304 (1988).
[CrossRef]

P. Silverberg, P. Omling, L. Samuelson, J. Appl. Phys. 52, 1689 (1988).

1985 (1)

T. F. Boggess, A. L. Smirl, S. C. Moss, I. W. Boyd, E. W. Van Stryland, IEEE J. Quantum Electron. 21, 488 (1985).
[CrossRef]

Afzal, R. S.

Agnesi, A.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Asthana, R.

Birnbaum, M.

Boggess, T. F.

A. L. Smirl, G. C. Valley, K. M. Bohnert, T. F. Boggess, IEEE J. Quantum Electron. 24, 289 (1988).
[CrossRef]

T. F. Boggess, A. L. Smirl, S. C. Moss, I. W. Boyd, E. W. Van Stryland, IEEE J. Quantum Electron. 21, 488 (1985).
[CrossRef]

Bohnert, K. M.

A. L. Smirl, G. C. Valley, K. M. Bohnert, T. F. Boggess, IEEE J. Quantum Electron. 24, 289 (1988).
[CrossRef]

Boyd, I. W.

T. F. Boggess, A. L. Smirl, S. C. Moss, I. W. Boyd, E. W. Van Stryland, IEEE J. Quantum Electron. 21, 488 (1985).
[CrossRef]

Braun, B.

Chen, W.

Chen, Y. C.

P. Wang, S.-H. Zhou, K. K. Lee, Y. C. Chen, Opt. Commun. 114, 439 (1995).
[CrossRef]

S. H. Zhou, K. K. Lee, Y. C. Chen, S. Li, Opt. Lett. 18, 511 (1993).
[CrossRef] [PubMed]

Del Corno, A.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Deng, X.

Z. Zhang, L. Qian, D. Fan, X. Deng, Appl. Phys. Lett. 60, 419 (1992).
[CrossRef]

Di Trapani, P.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Diels, J.-C.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Dill, C.

J. J. Zayhowski, C. Dill, Opt. Lett. 19, 1427 (1994).
[CrossRef] [PubMed]

J. J. Zayhowski, C. Dill, Opt. Lett. 17, 1201 (1992).
[CrossRef] [PubMed]

J. J. Zayhowski, C. Dill, in Conference on Lasers and Electro-Optics, Vol. 15 of OSA 1995 Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 176–177.

Fan, D.

Z. Zhang, L. Qian, D. Fan, X. Deng, Appl. Phys. Lett. 60, 419 (1992).
[CrossRef]

Fogliani, M.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Garmire, E.

Keller, U.

Kelley, P. L.

J. J. Zayhowski, P. L. Kelley, IEEE J. Quantum Electron. 27, 2220 (1991).
[CrossRef]

Kobayashi, T.

Koechner, W.

W. Koechner, Solid-State Laser Engineering, 3rd ed. (Springer-Verlag, Berlin, 1992), Chap. 10.

Kubecek, V.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Lee, K. K.

P. Wang, S.-H. Zhou, K. K. Lee, Y. C. Chen, Opt. Commun. 114, 439 (1995).
[CrossRef]

S. H. Zhou, K. K. Lee, Y. C. Chen, S. Li, Opt. Lett. 18, 511 (1993).
[CrossRef] [PubMed]

Li, S.

Moss, S. C.

T. F. Boggess, A. L. Smirl, S. C. Moss, I. W. Boyd, E. W. Van Stryland, IEEE J. Quantum Electron. 21, 488 (1985).
[CrossRef]

Omling, P.

P. Silverberg, P. Omling, L. Samuelson, J. Appl. Phys. 52, 1689 (1988).

Qian, L.

Z. Zhang, L. Qian, D. Fan, X. Deng, Appl. Phys. Lett. 60, 419 (1992).
[CrossRef]

Reali, G. C.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Samuelson, L.

P. Silverberg, P. Omling, L. Samuelson, J. Appl. Phys. 52, 1689 (1988).

Selker, M. D.

Silverberg, P.

P. Silverberg, P. Omling, L. Samuelson, J. Appl. Phys. 52, 1689 (1988).

Smirl, A. L.

A. L. Smirl, G. C. Valley, K. M. Bohnert, T. F. Boggess, IEEE J. Quantum Electron. 24, 289 (1988).
[CrossRef]

G. C. Valley, A. L. Smirl, IEEE J. Quantum Electron. 24, 304 (1988).
[CrossRef]

T. F. Boggess, A. L. Smirl, S. C. Moss, I. W. Boyd, E. W. Van Stryland, IEEE J. Quantum Electron. 21, 488 (1985).
[CrossRef]

Taira, T.

Tsou, Y.

Valley, G. C.

A. L. Smirl, G. C. Valley, K. M. Bohnert, T. F. Boggess, IEEE J. Quantum Electron. 24, 289 (1988).
[CrossRef]

G. C. Valley, A. L. Smirl, IEEE J. Quantum Electron. 24, 304 (1988).
[CrossRef]

Van Stryland, E. W.

T. F. Boggess, A. L. Smirl, S. C. Moss, I. W. Boyd, E. W. Van Stryland, IEEE J. Quantum Electron. 21, 488 (1985).
[CrossRef]

Wang, P.

P. Wang, S.-H. Zhou, K. K. Lee, Y. C. Chen, Opt. Commun. 114, 439 (1995).
[CrossRef]

Yeh, C.-Y.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Zayhowski, J. J.

J. J. Zayhowski, C. Dill, Opt. Lett. 19, 1427 (1994).
[CrossRef] [PubMed]

J. J. Zayhowski, C. Dill, Opt. Lett. 17, 1201 (1992).
[CrossRef] [PubMed]

J. J. Zayhowski, P. L. Kelley, IEEE J. Quantum Electron. 27, 2220 (1991).
[CrossRef]

J. J. Zayhowski, C. Dill, in Conference on Lasers and Electro-Optics, Vol. 15 of OSA 1995 Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 176–177.

Zhang, Z.

Z. Zhang, L. Qian, D. Fan, X. Deng, Appl. Phys. Lett. 60, 419 (1992).
[CrossRef]

Zhao, X. M.

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

Zhou, S. H.

Zhou, S.-H.

P. Wang, S.-H. Zhou, K. K. Lee, Y. C. Chen, Opt. Commun. 114, 439 (1995).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

Z. Zhang, L. Qian, D. Fan, X. Deng, Appl. Phys. Lett. 60, 419 (1992).
[CrossRef]

IEEE J. Quantum Electron. (5)

A. L. Smirl, G. C. Valley, K. M. Bohnert, T. F. Boggess, IEEE J. Quantum Electron. 24, 289 (1988).
[CrossRef]

G. C. Valley, A. L. Smirl, IEEE J. Quantum Electron. 24, 304 (1988).
[CrossRef]

T. F. Boggess, A. L. Smirl, S. C. Moss, I. W. Boyd, E. W. Van Stryland, IEEE J. Quantum Electron. 21, 488 (1985).
[CrossRef]

J. J. Zayhowski, P. L. Kelley, IEEE J. Quantum Electron. 27, 2220 (1991).
[CrossRef]

A. Agnesi, A. Del Corno, P. Di Trapani, M. Fogliani, G. C. Reali, J.-C. Diels, C.-Y. Yeh, X. M. Zhao, V. Kubecek, IEEE J. Quantum Electron. 28, 710 (1992).
[CrossRef]

J. Appl. Phys. (1)

P. Silverberg, P. Omling, L. Samuelson, J. Appl. Phys. 52, 1689 (1988).

Opt. Commun. (1)

P. Wang, S.-H. Zhou, K. K. Lee, Y. C. Chen, Opt. Commun. 114, 439 (1995).
[CrossRef]

Opt. Lett. (6)

Other (2)

W. Koechner, Solid-State Laser Engineering, 3rd ed. (Springer-Verlag, Berlin, 1992), Chap. 10.

J. J. Zayhowski, C. Dill, in Conference on Lasers and Electro-Optics, Vol. 15 of OSA 1995 Technical Digest Series (Optical Society of America, Washington, D.C., 1995), pp. 176–177.

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Figures (3)

Fig. 1
Fig. 1

Schematic of the GaAs Q-switched Nd:YAG laser cavity.

Fig. 2
Fig. 2

(a) Pulse width (filled circles) and pulse-repetition rate (open circles) and (b) average power (open squares) and pulse energy (filled squares) as functions of pump power with a 450-μm GaAs saturable absorber. Note that at 1.5 W the measured pulse width (220 ns) and pulse-repetition rate (74 kHz) are outside the plotting area.

Fig. 3
Fig. 3

Temporal profiles of (a) a 7-ns, 20.6-μJ pulse from the setup as shown in Fig. 1 and of (b) a 3-ns, 9.6-μJ pulse obtained with a 3% output coupler.

Equations (2)

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α = σ e ( N N + ) + σ h N + ,
τ min = 8 . 1 τ c / ln ( G 0 ) ,

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