Noise-sidebands-free and ultra-low-RIN 1.5 μm single-frequency fiber laser towards coherent optical detection

被引：35

作者：

Zhao, Qilai ^{[1
,2
]}

Zhang, Zhitao ^{[1
,2
]}

Wu, Bo ^{[3
]}

Tan, Tianyi ^{[1
,2
]}

Yang, Changsheng ^{[1
,2
,4
]}

Gan, Jiulin ^{[1
,2
]}

Cheng, Huihui ^{[1
,2
]}

Feng, Zhouming ^{[1
,2
]}

Peng, Mingying ^{[1
,2
]}

Yang, Zhongmin ^{[1
,2
,5
,6
]}

Xu, Shanhui ^{[1
,2
,4
]}

机构：

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

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

[3] Chengdu Univ Informat Technol, Coll Optoelect Technol, Chengdu 610225, Sichuan, Peoples R China

[4] Guangdong Engn Technol Res & Dev Ctr High Perform, Zhuhai 519031, Peoples R China

[5] Guangdong Engn Technol Res & Dev Ctr Special Opt, Guangzhou 510640, Guangdong, Peoples R China

[6] South China Univ Technol, Guangdong Prov Key Lab Fiber Laser Mat & Appl Tec, Guangzhou 510640, Guangdong, Peoples R China

来源：

PHOTONICS RESEARCH | 2018年 / 6卷 / 04期

基金：

中国国家自然科学基金;

关键词：

INTENSITY NOISE; GENERATION; SUPPRESSION; LIDAR; MODULATION; AMPLIFIERS; RANGE;

D O I：

10.1364/PRJ.6.000326

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A noise-sidebands-free and ultra-low relative intensity noise (RIN) 1.5 mu m single-frequency fiber laser is demonstrated for the first time to our best knowledge. Utilizing a self-injection locking framework and a booster optical amplifier, the noise sidebands with relative amplitudes as high as 20 dB are completely suppressed. The RIN is remarkably reduced by more than 64 dB at the relaxation oscillation peak to retain below -150 dB/Hz in a frequency range from 75 kHz to 50 MHz, while the quantum noise limit is -152.9 dB/Hz. Furthermore, a laser linewidth narrower than 600 Hz, a polarization-extinction ratio of more than 23 dB, and an optical signal-to-noise ratio of more than 73 dB are acquired simultaneously. This noise-sidebands-free and ultra-low-RIN single-frequency fiber laser is highly competitive in advanced coherent light detection fields including coherent Doppler wind lidar, high-speed coherent optical communication, and precise absolute distance coherent measurement. (c) 2018 Chinese Laser Press

引用

页码：326 / 331

页数：6

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