Theoretical analysis of a pulsed regime observed with a frequency-shifted-feedback fiber laser
JOSA B, Vol. 23, Issue 7, pp. 1302-1311 (2006)
http://dx.doi.org/10.1364/JOSAB.23.001302
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Abstract
We study a spontaneous Q-switched laser regime obtained with a multiwavelength frequency-shifted-feedback erbium-doped fiber laser. We have developed a traveling wave model to describe the dynamics of this ring cavity laser. The numerical results are in good agreement with experimental measurements. Furthermore, the model gives insight into the origin of this pulsed emission. Unlike in most Q-switched lasers, Q-switched operation does not rely on amplitude modulation of the net cavity gain but is produced by modulation of the optical frequency spectrum. To our knowledge, this is the first demonstration of a fiber laser with frequency-modulated Q-switched operation.
© 2006 Optical Society of America
OCIS Codes
(140.3430) Lasers and laser optics : Laser theory
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3540) Lasers and laser optics : Lasers, Q-switched
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: July 29, 2005
Revised Manuscript: January 31, 2006
Manuscript Accepted: February 3, 2006
Citation
Jean-Noël Maran, Pascal Besnard, and Sophie LaRochelle, "Theoretical analysis of a pulsed regime observed with a frequency-shifted-feedback fiber laser," J. Opt. Soc. Am. B 23, 1302-1311 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-7-1302
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