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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 6 — Feb. 20, 2001
  • pp: 921–929

Modes of unstable resonators with a saturable gain guide

Ognian Denchev, Stoyan Kurtev, and Plamen Petrov  »View Author Affiliations


Applied Optics, Vol. 40, Issue 6, pp. 921-929 (2001)
http://dx.doi.org/10.1364/AO.40.000921


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Abstract

We investigate theoretically gain-guided modes in unstable resonators with a uniformly reflective mirror in the area of highly efficient steady-state lasers, where the gain saturation is the main efficiency factorly. We achieved self-consistent Hermite–Gaussian modes at significant gain saturation as well as the connection of the mode’s scaling factor and mode amplitude coefficients with the system parameters by using complex paraxial wave optics. A new stabilization mechanism, saturation guiding, works together with gain guiding in unstable resonators. We obtained more actual results for mode generation and selection by integrating the laser rate equation.

© 2001 Optical Society of America

OCIS Codes
(140.3430) Lasers and laser optics : Laser theory
(140.4780) Lasers and laser optics : Optical resonators

History
Original Manuscript: February 16, 2000
Revised Manuscript: August 1, 2000
Published: February 20, 2001

Citation
Ognian Denchev, Stoyan Kurtev, and Plamen Petrov, "Modes of unstable resonators with a saturable gain guide," Appl. Opt. 40, 921-929 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-6-921

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