Rayleigh scattering assisted ultra-narrow linewidth linear-cavity laser

被引：14

作者：

Li, Fuhui ^{[1
]}

Ikechukwu, Iroegbu Paul ^{[1
]}

Lan, Tianyi ^{[1
]}

Jiang, Lidan ^{[1
]}

Huang, Ligang ^{[1
]}

Huang, Wei ^{[1
]}

Li, Yujia ^{[1
]}

Cao, Yulong ^{[1
]}

Yin, Guolu ^{[1
]}

Yang, Changsheng ^{[2
,3
]}

Zhu, Tao ^{[1
]}

机构：

[1] Chongqing Univ, Educ Minist China, Key Lab Optoelect Technol & Syst, Chongqing 400044, Peoples R China

[2] South China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China

[3] South China Univ Technol, Inst Opt Commun Mat, Guangzhou 510640, Guangdong, Peoples R China

来源：

APPLIED PHYSICS EXPRESS | 2019年 / 12卷 / 08期

基金：

中国国家自然科学基金;

关键词：

DOPED FIBER AMPLIFIERS; RING LASER; NOISE;

D O I：

10.7567/1882-0786/ab2b57

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate the evolution characteristics of laser linewidth in accordance to Rayleigh backscattering (RBS) signal accumulated from different lengths of the RBS fiber. An ultra-narrow-linewidth fiber laser operating in single longitudinal mode has been obtained. The output linewidth is approximately 210 Hz and the side-mode suppression ratio is as high as similar to 60 dB provided the length of the RBS fiber is set to be 5 km. The theoretical prediction suggests linewidth of tens of Hertz could be achieved provided the experimental setup is further optimized and the temperature control device is introduced. (C) 2019 The Japan Society of Applied physics

引用

页数：5

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