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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 12 — Apr. 20, 2004
  • pp: 2555–2560

Passively Q-switched microlaser performance in the presence of pump-induced bleaching of the saturable absorber

Martin A. Jaspan, David Welford, and Jeffrey A. Russell  »View Author Affiliations


Applied Optics, Vol. 43, Issue 12, pp. 2555-2560 (2004)
http://dx.doi.org/10.1364/AO.43.002555


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Abstract

Unabsorbed pump light in passively Q-switched microlasers leads to suboptimal pulse generation by bleaching the saturable absorber. This mechanism increases the effective unsaturated transmission of the absorber, which leads to a change in the system dynamics that results in increased pulse durations and decreased pulse energies. We report experimental evidence of pump-induced bleaching of the saturable absorber, an increase in the pulse duration from 360 to 880 ps, and develop a simple analytical treatment that includes this effect within the framework of existing passive Q-switching models.

© 2004 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3570) Lasers and laser optics : Lasers, single-mode
(140.3580) Lasers and laser optics : Lasers, solid-state

History
Original Manuscript: September 13, 2003
Revised Manuscript: January 21, 2004
Published: April 20, 2004

Citation
Martin A. Jaspan, David Welford, and Jeffrey A. Russell, "Passively Q-switched microlaser performance in the presence of pump-induced bleaching of the saturable absorber," Appl. Opt. 43, 2555-2560 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-12-2555

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