Polarization multiplexed dual-loop optoelectronic oscillator based on stimulated Brillouin scattering

被引:19
作者
Han, Xiuyou [1 ]
Ma, Liang [1 ]
Shao, Yuchen [1 ]
Ye, Qing [2 ]
Gu, Yiying [1 ]
Zhao, Mingshan [1 ]
机构
[1] Dalian Univ Technol, Sch Phys & Optoelect Engn, Dalian 116024, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai Key Lab All Solid State Laser & Appl Tec, Shanghai 201800, Peoples R China
基金
对外科技合作项目(国际科技项目);
关键词
Optoelectronic oscillator; Stimulated Brillouin scattering; Polarization multiplexed dual-loop; Phase noise; PHASE NOISE; BAND;
D O I
10.1016/j.optcom.2016.08.081
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A polarization multiplexed dual-loop optoelectronic oscillator (OEO) based on stimulated Brillouin scattering (SBS) is theoretically analyzed and experimentally demonstrated. The narrow bandwidth of SBS gain spectrum is utilized to implement the phase modulation to intensity modulation conversion and select the oscillation mode of the OEO. The polarization multiplexed dual-loop is constructed to suppress the side modes with Vernier effect. The output frequency of the OEO can be tuned by changing the frequency of the signal or the pump light wave. With the polarization multiplexed dual-loop the side mode suppression ratio (SMSR) of 45 dB is achieved at 10 GHz. The generated oscillation frequency is tuned from 4 GHz to 16 GHz by changing the frequency of the signal light wave. The phase noise decreases with the power increase of the signal light wave when it is under the threshold of SBS. By adjusting the polarization state of the light wave, the influence of the power distribution between the long loop and the short loop on the phase noise of the OEO is investigated. The results show that more power in the long loop is helpful to suppress the near end phase noise. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:138 / 143
页数:6
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