Interplay of Kerr and Raman beam cleaning with a multimode microstructure fiber

We experimentally study the competition between Kerr beam self-cleaning and Raman beam cleanup in a multimode air-silica microstructure optical fiber. Kerr beam self-cleaning of the pump is observed for a certain range of input powers only. Stokes Raman beam generation and cleanup lead to both deple...

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Bibliographic Details
Published inOptics letters Vol. 43; no. 3; p. 587
Main Authors Dupiol, R, Krupa, K, Tonello, A, Fabert, M, Modotto, D, Wabnitz, S, Millot, G, Couderc, V
Format Journal Article
LanguageEnglish
Published United States 01.02.2018
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Summary:We experimentally study the competition between Kerr beam self-cleaning and Raman beam cleanup in a multimode air-silica microstructure optical fiber. Kerr beam self-cleaning of the pump is observed for a certain range of input powers only. Stokes Raman beam generation and cleanup lead to both depletion and degradation of beam quality for the pump. The interplay of modal four-wave mixing and Raman scattering in the infrared domain leads to the generation of a multimode supercontinuum ranging from 500 nm up to 1800 nm.
ISSN:1539-4794
DOI:10.1364/OL.43.000587