High-power all-fiber superfluorescent source with fused angle-polished side-pumping configuration

被引:24
|
作者
Xiao, Qirong [1 ]
Yan, Ping [1 ]
Wang, Yaping [1 ]
Hao, Jinping [1 ]
Gong, Mali [1 ]
机构
[1] Tsinghua Univ, Ctr Photon & Elect, Dept Precis Instruments & Mechanol, State Key Lab Tribol, Beijing 100084, Peoples R China
关键词
DOUBLE-CLADDING FIBER; OUTPUT POWER; AMPLIFIERS; LASERS; MODE;
D O I
10.1364/AO.50.001164
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report high-power operation of a broadband superfluorescent source with an all-fiber configuration. The superfluorescent source yields an amplified spontaneous emission (ASE) output of 43.2 and 25.1 W from both ends, respectively. The maximum combined ASE output is 68.3 W with a slope efficiency of 78.6%. The wavelength bandwidths (FWHM) of the counterpropagating and copropagating ASE output are 31.5 and 18.9 nm, respectively. The fused angle-polished side-pumping coupler is applied to set up the all-fiber configuration. Furthermore, the influence of reflectivity on the laser threshold of the ASE sources is studied theoretically. The experimental results agree with the theoretical analysis. (C) 2011 Optical Society of America
引用
收藏
页码:1164 / 1169
页数:6
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