Abstract

A novel scheme that combines gain switching with passive Q switching of a miniature diode-pumped solid-state laser is proposed and implemented. A composite pumping pulse, consisting of a long, low-intensity pulse and a following short, high-intensity pulse, is used to reduce the timing jitter. A greater-than-tenfold reduction in timing jitter is demonstrated.

© 2002 Optical Society of America

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References

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  1. H. Kunimori, T. Otsubo, B. Engelkemier, T. Yoshino, B. Greene, “Timing precision of active Q-switched mode-locked laser and fire control system for the synchronous satellite laser ranging,” IEEE Trans. Instrum. Meas. 44, 832–835 (1995).
    [CrossRef]
  2. M. Arvidsson, B. Hansson, M. Holmgren, C. Lindstrom, “A combined actively and passively Q-switched microchip laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 106–113 (1998).
    [CrossRef]
  3. S. Huang, T. Tsui, C. Wang, F. Kao, “Timing jitter reduction of a passively Q-switched laser,” Jpn. J. Appl. Phys. 38, L239–L241 (1999).
    [CrossRef]
  4. W. Mandeville, K. M. Dinndorf, N. E. Champigny, “Characterization of passively Q-switched microchip lasers for laser radar,” in Laser Radar Technology and Applications, G. W. Kamerman, ed., Proc. SPIE2748, 358–367 (1996).
    [CrossRef]

1999 (1)

S. Huang, T. Tsui, C. Wang, F. Kao, “Timing jitter reduction of a passively Q-switched laser,” Jpn. J. Appl. Phys. 38, L239–L241 (1999).
[CrossRef]

1995 (1)

H. Kunimori, T. Otsubo, B. Engelkemier, T. Yoshino, B. Greene, “Timing precision of active Q-switched mode-locked laser and fire control system for the synchronous satellite laser ranging,” IEEE Trans. Instrum. Meas. 44, 832–835 (1995).
[CrossRef]

Arvidsson, M.

M. Arvidsson, B. Hansson, M. Holmgren, C. Lindstrom, “A combined actively and passively Q-switched microchip laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 106–113 (1998).
[CrossRef]

Champigny, N. E.

W. Mandeville, K. M. Dinndorf, N. E. Champigny, “Characterization of passively Q-switched microchip lasers for laser radar,” in Laser Radar Technology and Applications, G. W. Kamerman, ed., Proc. SPIE2748, 358–367 (1996).
[CrossRef]

Dinndorf, K. M.

W. Mandeville, K. M. Dinndorf, N. E. Champigny, “Characterization of passively Q-switched microchip lasers for laser radar,” in Laser Radar Technology and Applications, G. W. Kamerman, ed., Proc. SPIE2748, 358–367 (1996).
[CrossRef]

Engelkemier, B.

H. Kunimori, T. Otsubo, B. Engelkemier, T. Yoshino, B. Greene, “Timing precision of active Q-switched mode-locked laser and fire control system for the synchronous satellite laser ranging,” IEEE Trans. Instrum. Meas. 44, 832–835 (1995).
[CrossRef]

Greene, B.

H. Kunimori, T. Otsubo, B. Engelkemier, T. Yoshino, B. Greene, “Timing precision of active Q-switched mode-locked laser and fire control system for the synchronous satellite laser ranging,” IEEE Trans. Instrum. Meas. 44, 832–835 (1995).
[CrossRef]

Hansson, B.

M. Arvidsson, B. Hansson, M. Holmgren, C. Lindstrom, “A combined actively and passively Q-switched microchip laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 106–113 (1998).
[CrossRef]

Holmgren, M.

M. Arvidsson, B. Hansson, M. Holmgren, C. Lindstrom, “A combined actively and passively Q-switched microchip laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 106–113 (1998).
[CrossRef]

Huang, S.

S. Huang, T. Tsui, C. Wang, F. Kao, “Timing jitter reduction of a passively Q-switched laser,” Jpn. J. Appl. Phys. 38, L239–L241 (1999).
[CrossRef]

Kao, F.

S. Huang, T. Tsui, C. Wang, F. Kao, “Timing jitter reduction of a passively Q-switched laser,” Jpn. J. Appl. Phys. 38, L239–L241 (1999).
[CrossRef]

Kunimori, H.

H. Kunimori, T. Otsubo, B. Engelkemier, T. Yoshino, B. Greene, “Timing precision of active Q-switched mode-locked laser and fire control system for the synchronous satellite laser ranging,” IEEE Trans. Instrum. Meas. 44, 832–835 (1995).
[CrossRef]

Lindstrom, C.

M. Arvidsson, B. Hansson, M. Holmgren, C. Lindstrom, “A combined actively and passively Q-switched microchip laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 106–113 (1998).
[CrossRef]

Mandeville, W.

W. Mandeville, K. M. Dinndorf, N. E. Champigny, “Characterization of passively Q-switched microchip lasers for laser radar,” in Laser Radar Technology and Applications, G. W. Kamerman, ed., Proc. SPIE2748, 358–367 (1996).
[CrossRef]

Otsubo, T.

H. Kunimori, T. Otsubo, B. Engelkemier, T. Yoshino, B. Greene, “Timing precision of active Q-switched mode-locked laser and fire control system for the synchronous satellite laser ranging,” IEEE Trans. Instrum. Meas. 44, 832–835 (1995).
[CrossRef]

Tsui, T.

S. Huang, T. Tsui, C. Wang, F. Kao, “Timing jitter reduction of a passively Q-switched laser,” Jpn. J. Appl. Phys. 38, L239–L241 (1999).
[CrossRef]

Wang, C.

S. Huang, T. Tsui, C. Wang, F. Kao, “Timing jitter reduction of a passively Q-switched laser,” Jpn. J. Appl. Phys. 38, L239–L241 (1999).
[CrossRef]

Yoshino, T.

H. Kunimori, T. Otsubo, B. Engelkemier, T. Yoshino, B. Greene, “Timing precision of active Q-switched mode-locked laser and fire control system for the synchronous satellite laser ranging,” IEEE Trans. Instrum. Meas. 44, 832–835 (1995).
[CrossRef]

IEEE Trans. Instrum. Meas. (1)

H. Kunimori, T. Otsubo, B. Engelkemier, T. Yoshino, B. Greene, “Timing precision of active Q-switched mode-locked laser and fire control system for the synchronous satellite laser ranging,” IEEE Trans. Instrum. Meas. 44, 832–835 (1995).
[CrossRef]

Jpn. J. Appl. Phys. (1)

S. Huang, T. Tsui, C. Wang, F. Kao, “Timing jitter reduction of a passively Q-switched laser,” Jpn. J. Appl. Phys. 38, L239–L241 (1999).
[CrossRef]

Other (2)

W. Mandeville, K. M. Dinndorf, N. E. Champigny, “Characterization of passively Q-switched microchip lasers for laser radar,” in Laser Radar Technology and Applications, G. W. Kamerman, ed., Proc. SPIE2748, 358–367 (1996).
[CrossRef]

M. Arvidsson, B. Hansson, M. Holmgren, C. Lindstrom, “A combined actively and passively Q-switched microchip laser,” in Solid State Lasers VII, R. Scheps, ed., Proc. SPIE3265, 106–113 (1998).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Operating principle of jitter reduction. (a) Dependence of timing jitter on pump rate. (b) Proposed composite pulse pumping. (c) Jitter reduction with the composite pulse.

Fig. 2
Fig. 2

Q-switched laser setup. I represents the intensity of the laser beam.

Fig. 3
Fig. 3

Timing jitter (histogram for 2 s) of Q-switched laser pulses when the pulse is generated (a) by only the long pulse and (b) by the composite pulse.

Equations (7)

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dNGdt=peff-NGτg-cσGnpNG,
NG=peffτg1-exp-t/τg.
dnpdt=cσGnpNG-cσAnpNA-npτp+rsp.
NG,th0=1cσGτp+NA0σAσG
τd=τg lnα/α-1
α=peffτgNG,th0
Δτd=τg1-αΔαα=τg1-αΔPP

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