Bandwidth broadening and efficiency enhancement of a double-pass forward L-band erbium-doped superfluorescent fibre source

被引：3
|
作者：
Wang, Hua [1 ]
Li, Yi-Gang [1 ]
Chen, Sheng-Ping [1 ]
Zhu, Jian-Ping [1 ]
Lu, Ke-Cheng [1 ]
机构：
[1] Nankai Univ, Inst Phys, Tianjin 300071, Peoples R China
来源：
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2006年 / 8卷 / 10期
关键词：
erbium-doped fibre (EDF); superfluorescent fibre source (SFS); L-band; spectral bandwidth;
D O I：
10.1088/1464-4258/8/10/011
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel double-pass forward L-band erbium-doped superfluorescent fibre source (SFS) with a segment of unpumped fibre between the reflector and the wavelength division multiplexing (WDM) coupler is presented. The effects of the fibre length arrangement on the output characteristics of the L-band SFS are simulated. The spectral bandwidth is broadened and the conversion efficiency is enhanced by optimizing the fibre length ratio of the unpumped section to the total erbium-doped fibre. A broadband L-band SFS is obtained experimentally, with a 3 dB bandwidth of 46 nm, a power ripple less than 1 dB, and an output power of 23.6 mW.
引用
收藏
页码：897 / 902
页数：6
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