Switchable dual-wavelength erbium-doped fiber ring laser using bending dependent loss to switch the operating wavelength

被引:31
作者
Chen, S. -P. [1 ]
Ding, L. [1 ]
Wang, S. -M. [1 ]
Li, Y. -G. [1 ]
Lu, K. -C. [1 ]
Zhou, S. -H. [1 ]
机构
[1] Nankai Univ, Inst Phys, Tianjin 300071, Peoples R China
关键词
fiber laser; S-band; EDF; depressed cladding; ring cavity; wavelength switchable; FBG;
D O I
10.1002/lapl.200610045
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A short wavelength band erbium-doped fiber (EDF) ring laser emitting simultaneously at 1488.9 and 1533.9 nm is demonstrated. The erbium-doped gain fiber has a depressed cladding to suppress emission at longer wavelengths. The shorter emitting wavelength is selected by a fiber Bragg grating (FBG), while the longer emitting wavelength is selected by the strong gain and the reabsorbing effect. Switching between the two operating wavelengths is realized by simply changing the bending curvature of the EDF loop.
引用
收藏
页码:584 / 587
页数:4
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