Subkilohertz linewidth reduction of a DFB diode laser using self-injection locking with a fiber Bragg grating Fabry-Perot cavity

被引：75

作者：

Wei, Fang ^{[1
]}

Yang, Fei ^{[1
]}

Zhang, Xi ^{[1
]}

Xu, Dan ^{[1
]}

Ding, Meng ^{[1
]}

Zhang, Li ^{[1
]}

Chen, Dijun ^{[1
]}

Cai, Haiwen ^{[1
]}

Fang, Zujie ^{[1
]}

Gu Xijia ^{[2
]}

机构：

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

[2] Ryerson Univ, Dept Elect & Comp Engn, Toronto, ON M5B 2K3, Canada

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 15期

基金：

中国国家自然科学基金;

关键词：

OPTICAL FEEDBACK; INTRINSIC-LINEWIDTH; SEMICONDUCTOR-LASER; MODE; RESONATOR;

D O I：

10.1364/OE.24.017406

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A simple and low-cost 1550 nm semiconductor laser with subkilohertz intrinsic linewidth is experimentally demonstrated. A commercial distributed feedback diode laser is self-injection locked to the resonance transmission peaks of a fiber Bragg grating Fabry-Perot cavity through a polarization-maintaining fiber ring with the optical path length of 4 m, with the laser frequency noise suppressed by over 70 dB in the Fourier frequency band from 5 Hz and 1 kHz. The laser features an intrinsic Lorentzian linewidth of 125 Hz as well as a relative intensity noise of <-142 dBc/Hz above 2 MHz, and provides over 0.8 nm quasi-continuous tunability, which is suitable for advanced applications requiring a narrow linewidth laser with ultralow frequency noise. (C) 2016 Optical Society of America

引用

页码：17406 / 17415

页数：10

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