L-band Erbium-doped fiber laser with coupling-ratio controlled wavelength tunability

被引：82
作者：
Lin, Gong-Ru
Chang, Jun-Yuan
Liao, Yu-Sheng
Lu, Hai-Han
机构：
[1] Natl Taiwan Univ, Grad Inst Electroopt Engn, Taipei 106, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan
[3] Natl Chiao Tung Univ, Dept Photon, Hsinchu 300, Taiwan
[4] Natl Chiao Tung Univ, Inst Electroopt Engn, Hsinchu 300, Taiwan
[5] Natl Taipei Univ Technol, Dept Electroopt Engn, Taipei 104, Taiwan
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 21期
关键词：
D O I：
10.1364/OE.14.009743
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By controlling the output coupling ratio, we demonstrate a novel wavelength-tunable L-band Erbium-doped fiber laser (EDFL) with a maximum tuning range up to 58 nm ( from 1567 to 1625 nm) by controlling its output coupling ratio between 1% and 99%. The L-band EDFL is configured by using a bi-directionally dual-wavelength pumped EDFA in close-loop with an output coupler of tunable coupling ratio and an air-gap inserted FC/PC connector pair. Such an EDFL exhibits a quantum efficiency of 42% and an ultra-high power conversion efficiency of 37% under optimized pumping scheme, providing the small-signal gain and output power of similar to 34 dB and 91 mW, respectively. Low variation of < 1.2 dB on channel power, power fluctuation of 0.04% and a narrow linewidth of 0.03 nm are obtained. (c) 2006 Optical Society of America
引用
收藏
页码：9743 / 9749
页数：7
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