Multi-wavelength fiber laser based on self-seed light amplification and wavelength-dependent gain

被引：10

作者：

Luo, Yiyang ^{[1
]}

Xia, Li ^{[1
]}

Sun, Qizhen ^{[1
]}

Li, Wei ^{[1
]}

Ran, Yanli ^{[1
]}

Liu, Deming ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Natl Engn Lab Next Generat Internet Access Syst, Wuhan Natl Lab Optoelect, Wuhan 430074, Hunan, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2015年 / 338卷

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

Multi-wavelength fiber laser; Erbium-doped fiber; High nonlinear effect; Wavelength-dependent gain; DOPED FIBER; RING LASER; FEEDBACK;

D O I：

10.1016/j.optcom.2014.10.066

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, a multi-wavelength fiber laser based on self-seed light amplification and wavelength-dependent gain is proposed and demonstrated. A pumped erbium-doped fiber (EDF) in the linear cavity acts as the seed light source, which is also conducive to the gain equalization. A high power erbium-doped fiber amplifier (EDFA) is deployed for self-seed amplification, and a highly nonlinear fiber (HNLF) is incorporated in the ring cavity to alleviate the mode competition induced by the homogeneous gain broadening of EDF. In the experiments, 25-wavelength operation within 0.5 dB uniformity is achieved with the extinction ratio of 42 dB using 500 m HNLF, and 38-wavelength operation within 3 dB uniformity is obtained with the extinction ratio of 35 dB using 1000 m HNLF. Our proposed laser has more lasing wavelengths with a better uniformity and stability. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：336 / 339

页数：4

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