journal article·2017-07-01Open access

Optical frequency combs generated by four-wave mixing in a dual wavelength Brillouin laser cavity

Qing Li, Zhi-xu Jia, Zhen-rui Li, Yue-de Yang, Jin-long Xiao, Shao-wu Chen, Guan-shi Qin, Yong-zhen Huang, Wei-ping Qin

AIP Advances· Volume 7· Issue 7

Abstract

We propose and demonstrate the generation of optical frequency combs via four-wave mixing in a dual wavelength Brillouin laser cavity. When pumped by two continuous-wave lasers with a varied frequency separation, dual wavelength Brillouin lasers with reduced linewidth and improved optical signal to noise ratios are generated in a direction opposite to the pump laser. Simultaneously, cavity-enhanced cascaded four-wave mixing between dual wavelength Brillouin lasers occurs in the laser cavity, causing the generation of broadband optical frequency combs with step tunable mode spacing from 40 to 1300 GHz. Compared to the cavity-less case, the number of the comb lines generated in the dual wavelength Brillouin laser cavity is increased by ∼38 times.
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Research context

OpenAlex topics: Advanced Fiber Laser Technologies · Photonic and Optical Devices · Advanced Fiber Optic Sensors

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Affiliations

State Key Laboratory on Integrated Optoelectronics, College of Electronic Science & Engineering, Jilin University 1 , 2699 Qianjin Street, Changchun 130012, China

State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 2 Beijing 100083, China

Funding

Major Science and Technology Tendering Project of Jilin Province · the Open Fund of the State Key Laboratory on Integrated Optoelectronics, and Tsing National Laboratory for Information Science and Technology (TNList) Cross-discipline Foundation · National Natural Science Foundation of China

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