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Proceedings Paper

Self-organized coherence in fiber laser arrays by mutual injection locking
Author(s): Zilun Chen; Jing Hou; Zefeng Wang; Shengping Chen
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Paper Abstract

Self-organized coherent laser array seems to be a promising method for coherent combining fiber lasers. Phase locking is realized by mutual energy injection, without any active phase stabilization, requirement of the fiber length or the output power for individual lasers. In this paper, a novel self-organized coherent combination configuration of an array of fiber lasers has been demonstrated. Mutual injection locking and coherent combining of three and four individual erbium-doped fiber lasers have been reported.The fiber lasers are mutually injected by couplers. Under free running state, the far field beam profile is a simple intensity superposition as incoherent beams, under mutual injection locking, good coherence has been obtained in the far field of the fiber laser arrays. This scheme is quite easy to implement and can be extended to combine more beams.

Paper Details

Date Published: 22 March 2011
PDF: 7 pages
Proc. SPIE 7822, Laser Optics 2010, 782203 (22 March 2011); doi: 10.1117/12.885581
Show Author Affiliations
Zilun Chen, National Univ. of Defense Technology (China)
Jing Hou, National Univ. of Defense Technology (China)
Zefeng Wang, National Univ. of Defense Technology (China)
Shengping Chen, National Univ. of Defense Technology (China)

Published in SPIE Proceedings Vol. 7822:
Laser Optics 2010
Nikolay N. Rosanov; Vladimir Yu. Venediktov, Editor(s)

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