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.
Interplay of Kerr and Raman beam cleaning with a multimode microstructure fiber / Dupiol, R.; Krupa, K.; Tonello, A.; Fabert, M.; Modotto, D.; Wabnitz, S.; Millot, G.; Couderc, V.. - In: OPTICS LETTERS. - ISSN 0146-9592. - 43:3(2018), pp. 587-590. [10.1364/OL.43.000587]
Interplay of Kerr and Raman beam cleaning with a multimode microstructure fiber
Wabnitz, S.;
2018
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.| File | Dimensione | Formato | |
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