Mid-infrared broadband optical frequency comb generated in MgF_2 resonators

查看全文 作　　者：WEI [1,2]WU;QIBING [1,2]SUN;YI [1,2]WANG;YU [3]YANG;XIANSHUN [1]MING;LEI [1,2]SHI;KEYI [3]WANG;WEI [1,2]ZHAO;LEIRAN [1,2]WANG

机构地区：[1]State Key Laboratory of Transient Optics and Photonics,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710119,China;[2]University of Chinese Academy of Sciences,Beijing 100049,China;[3]Department of Precision Machinery and Precision Instrumentation,University of Science and Technology of China,Hefei 230026,China

出　　处：《Photonics Research》索引2022年第10卷第8期,共6页

基　　金：National Natural Science Foundation of China(61635013);Natural Science Basic Research Program of Shaanxi Province(2022JC-43)。 摘　　要：Microresonator-based optical frequency combs are broadband light sources consisting of equally spaced and coherent narrow lines,which are extremely promising for applications in molecular spectroscopy and sensing in the mid-infrared(MIR)spectral region.There are still great challenges in exploring how to improve materials for microresonator fabrication,extend spectral bandwidth of parametric combs,and realize fully stabilized soliton MIR frequency combs.Here,we present an effective scheme for broadband MIR optical frequency comb generation in a MgF_(2) crystalline microresonator pumped by the quantum cascade laser.The spectral evolution dynamics of the MIR Kerr frequency comb is numerically investigated,revealing the formation mechanism of the microresonator soliton comb via scanning the pump-resonance detuning.We also experimentally implement the modulation instability state MIR frequency comb generation in MgF_(2) resonators covering from 3380 nm to 7760 nm.This work proceeds microresonator-based comb technology toward a miniaturization MIR spectroscopic device that provides potential opportunities in many fields such as fundamental physics and metrology. 关键词：SOLITON COMB NARROW

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Mid-infrared broadband optical frequency comb generated in MgF_2 resonators

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