4.5 Article

Kerr comb generation in coaxial MgF2 whispering gallery mode micro-disk resonators

期刊

OPTIK
卷 270, 期 -, 页码 -

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ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2022.170005

关键词

WGM resonator; Kerr optical frequency comb; MgF2 crystal resonator; Coaxial structure

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资金

  1. National Natural Science Foundation of China
  2. [41871229]

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In this study, coaxial structure MgF2 crystal micro-disk resonators with ultra-high quality factors were proposed, generating multiple Kerr optical frequency combs for dual-comb spectral measurement applications. The comb lines reached up to 500 within a 250 nm wavelength band.
In this work, we proposed coaxial structure MgF2 crystal micro-disk resonators with ultra-high quality factors. Based on such a structure, two wide bands of Kerr optical frequency combs were separately generated in two adjacent micro-disk resonators with a repetition rate of approximately 44.11 GHz. The comb lines reached up to 500 within an approximately 250 nm wavelength band. This compact coaxial structure can be used to generate multi-combs with a low difference in repetition rate and applied to dual-comb spectral measurement applications.

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