Supermode noise suppression with mutual injection locking for coupled optoelectronic oscillator

被引：15

作者：

Dai, Jian ^{[1
,2
]}

Liu, Anni ^{[1
]}

Liu, Jingliang ^{[1
]}

Zhang, Tian ^{[1
]}

Zhou, Yue ^{[1
]}

Yin, Feifei ^{[1
]}

Dai, Yitang ^{[1
]}

Liu, Yuanan ^{[3
]}

Xu, Kun ^{[1
,4
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China

[3] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China

[4] Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 22期

基金：

中国国家自然科学基金;

关键词：

MICROWAVE-OSCILLATOR; PHASE-NOISE; FIBER LASER; PHOTONICS;

D O I：

10.1364/OE.25.027060

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The coupled optoelectronic oscillator (COEO) is typically used to generate high frequency spectrally pure microwave signal with serious sidemodes noise. We propose and experimentally demonstrate a simple scheme for supermode suppression with mutual injection locking between the COEO (master oscillator with multi-modes oscillation) and the embedded free-running oscillator (slave oscillator with single-mode oscillation). The master and slave oscillators share the same electrical feedback path, which means that the mutually injection-locked COEO brings no additional hardware complexity. Owing to the mode matching and mutually injection locking effect, 9.999 GHz signal has been successfully obtained by the mutually injection-locked COEO with the phase noise about -117 dBc/Hz at 10 kHz offset frequency. Besides, the supermode noise can be significantly suppressed more than 50 dB to below -120 dBc. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：27060 / 27066

页数：7

共 21 条

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