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

Year: 2018

Authors: Dupiol R.; Krupa K.; Tonello A.; Fabert M.; Modotto D.; Wabnitz S.; Millot G.; Couderc, V.

Autors Affiliation: Univ Limoges, XLIM, UMR CNRS 7252, 123 Ave A Thomas, F-87060 Limoges, France; Univ Bourgogne Franche Comte, ICB UMR CNRS 6303, 9 Ave A Savary, F-21078 Dijon, France; Univ Brescia, Dipartimento Ingn Informaz, Via Branze 38, I-25123 Brescia, Italy; CNR, INO, Via Branze 45, I-25123 Brescia, Italy.

Abstract: 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.

Journal/Review: OPTICS LETTERS

Volume: 43 (3)      Pages from: 587  to: 590

More Information: iXcore Research Foundation; Labex ACTION program (ANR-11-LABX-0001-01); Horiba Medical (Dat@diag); H2020 European Research Council (ERC) (740355); European Union’s Horizon 2020 Research and Innovation Programme under the H2020 Marie Sklodowska-Curie Actions (MSCA) (713694) (MULTIPLY) (BECLEAN project).
KeyWords: Air cleaners; Cleaning; Four wave mixing; Microstructure; Optical fibers; Silica, Beam cleanup; Beam generation; Infrared domains; Microstructure fibers; Microstructure optical fibers; Multimodes; Self cleaning; Super continuum; Multimode fibers
DOI: 10.1364/OL.43.000587

Citations: 25
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