Stimulated Brillouin laser-based carrier recovery in a high-Q microcavity for coherent detection

被引：3
作者：
Wen, Qi [1 ]
Qin, Jinhui [1 ]
Geng, Yong [1 ]
Deng, Guangwei [2 ]
Zhou, Qiang [2 ]
Zhou, Heng [1 ]
Qiu, Kun [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, Key Lab Opt Fiber Sensing & Commun Networks, Chengdu 611731, Peoples R China
[2] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Informat & Quantum Lab, Chengdu 611731, Peoples R China
来源：
OPTICS LETTERS | 2020年 / 45卷 / 14期
关键词：
OPTICAL-INJECTION LOCKING; TRANSMISSION; SCATTERING;
D O I：
10.1364/OL.395270
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate all-optical carrier recovery exploring a stimulated Brillouin laser (SBL) in a high-Q whispering-gallery-mode microcavity, to achieve coherent data detection without requiring an independent local oscillator laser. An ultra-high optical signal-to-noise ratio better than 70 dB is achieved for the recovered carrier, thanks to the fact that the generated SBL counter-propagates with the incoming data signal and experiences high SBS efficiency. High-frequency stability is obtained between the recovered carrier tone and the original data signal, enabling high-performance coherent detection without the need of electrical frequency drift compensation. This Letter offers a low complexity, high energy efficiency, and high robust carrier recovery solution. (C) 2020 Optical Society of America
引用
收藏
页码：3848 / 3851
页数：4
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