Low-Noise Frequency and Phase Locking of Yb-Doped Fiber Ring Cavity via Cavity Modulation

被引：2

作者：

You, Yang ^{[1
,2
]}

Shen, Hui ^{[1
]}

Qi, Yunfeng ^{[1
]}

Bing, He ^{[1
,3
]}

Zhou, Jun ^{[1
,3
]}

机构：

[1] Chinese Acad Sci, Shanghai Key Lab All Solid State Lasers & Appl Te, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Nanjing Inst Adv Laser Technol, Nanjing 210038, Peoples R China

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2022年 / 40卷 / 13期

基金：

中国国家自然科学基金;

关键词：

Optical fiber amplifiers; Fiber lasers; Semiconductor lasers; Optical fiber polarization; Servomotors; Power lasers; Optical fiber communication; DFB fiber laser; fiber ring cavity; injection lock and phase-locked loop (IPLL); OPTICAL-INJECTION LOCKING; INTENSITY NOISE; SEMICONDUCTOR-LASERS; SINGLE-FREQUENCY; DFB LASERS; HIGH-POWER; AMPLIFIER; KW;

D O I：

10.1109/JLT.2022.3160274

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The control bandwidth of the injection-locked system utilizing a DFB fiber laser and fiber ring cavity is analyzed to estimate system stability. Within the bandwidth of the injection lock, an electrical feedback control loop is adopted to better suppress the phase noise of the fiber ring cavity. The entire system operates in low noise conditions of lower than -60 dBc/Hz from 1 Hz to 100 kHz. The output power of the fiber ring cavity is amplified stably to 0.346 W with a polarization extinction ratio of 31 dB based on an all-polarization-maintaining ring structure. The output laser from the single-mode fiber has the near diffraction-limited beam quality for wide applications.

引用

页码：4379 / 4384

页数：6

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