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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2907–2909

Experimental study of cophasing dynamics in passive coherent combining of fiber lasers

J. Guillot, A. Desfarges-Berthelemot, V. Kermène, and A. Barthélémy  »View Author Affiliations


Optics Letters, Vol. 36, Issue 15, pp. 2907-2909 (2011)
http://dx.doi.org/10.1364/OL.36.002907


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Abstract

We have used a two-channel fiber laser array for the study of cophasing dynamics in a passively locked laser array for coherent combining. Starting from an in-phase laser emission, the array was unbalanced by a short phase perturbation introduced on one arm. The dynamics for recovery of phase locking and recovery of initial power of the laser array have been characterized. Cophasing was found to be quickly restored, in a few cavity rounds, before the gain dynamics brought back the steady-state power.

© 2011 Optical Society of America

OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(140.3460) Lasers and laser optics : Lasers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 16, 2011
Revised Manuscript: July 1, 2011
Manuscript Accepted: July 1, 2011
Published: July 29, 2011

Citation
J. Guillot, A. Desfarges-Berthelemot, V. Kermène, and A. Barthélémy, "Experimental study of cophasing dynamics in passive coherent combining of fiber lasers," Opt. Lett. 36, 2907-2909 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-15-2907

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