Coherent addition of fiber lasers by use of a fiber coupler

被引:224
作者
Shirakawa, A [1 ]
Saitou, T [1 ]
Sekiguchi, T [1 ]
Ueda, K [1 ]
机构
[1] Univ Electrocommun, Inst Laser Sci, Chofu, Tokyo 182, Japan
来源
OPTICS EXPRESS | 2002年 / 10卷 / 21期
关键词
D O I
10.1364/OE.10.001167
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Coherent addition of fiber lasers coupled with an intracavity fiber coupler is reported. Almost a single output is obtained from one of the fiber ports, which one can switch simply by unbalancing the losses in the ports. We show that the constructive supermodes, each of which has a single output in a different port, build up automatically because of the dense longitudinal-mode, length-unbalanced laser array with unbalanced port loss. High addition efficiencies of 93.6% for two fiber lasers and 95.6% for four fiber lasers have been obtained. (C) 2002 Optical Society of America.
引用
收藏
页码:1167 / 1172
页数:6
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