Quasi-phase-matched multispectral Kerr frequency comb

We study a new type of Kerr frequency comb where the momentum conservation law is fulfilled by azimuthal modulation of the waveguide dispersion. The concept can expand the parametric range in which a Kerr frequency comb is obtained. In a good agreement with the theoretical analysis, we demonstrate a...

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Bibliographic Details
Published inOptics letters Vol. 42; no. 11; p. 2110
Main Authors Huang, Shu-Wei, Vinod, Abhinav Kumar, Yang, Jinghui, Yu, Mingbin, Kwong, Dim-Lee, Wong, Chee Wei
Format Journal Article
LanguageEnglish
Published United States 01.06.2017
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Summary:We study a new type of Kerr frequency comb where the momentum conservation law is fulfilled by azimuthal modulation of the waveguide dispersion. The concept can expand the parametric range in which a Kerr frequency comb is obtained. In a good agreement with the theoretical analysis, we demonstrate a multispectral Kerr frequency comb covering important fiber-optic communication bands. Comb coherence and absence of a sub-comb offset are confirmed by continuous-wave heterodyne beat note and amplitude noise spectra measurements. The device can be used for achieving broadband optical frequency synthesizers and high-capacity coherent communication.
ISSN:1539-4794
DOI:10.1364/OL.42.002110