Risultati scientifici

Spatiotemporal nonlinear beam shaping

Anno: 2016

Autori: Wabnitz S., Krupa K., Tonello A., Bendahmane A., Dupiol R., Shalaby B.M., Fabert M., Louot C., Guenard R., Barthéléemy A., Millot G., Couderc V.

Affiliazione autori: Dipartimento di Ingegneria dell\’Informazione and INO-CNR, Universitá di Brescia, via Branze 38, Brescia, 25123, Italy; Université de Limoges, XLIM, UMR CNRS 7252, 123 Avenue A. Thomas, Limoges, 87060, France; Université de Bourgogne Franche-Comté, ICB UMR CNRS 6303, 9 Avenue A. Savary, Dijon, 21078, France

Abstract: The reshaping of multimode waves in optical fibers is a process where the spatial and spectral degrees of freedom are inherently coupled. Our experiments demonstrate that pumping a graded-index multimode fiber with sub-ns pulses from a microchip Nd:YAG laser leads to supercontinuum generation with a uniform bell-shaped spatial beam profile.

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Luogo:

Parole chiavi: Degrees of freedom (mechanics); Neodymium lasers; Optical fibers; Optical pumping; Photonics; Pumping (laser); Supercontinuum generation, Graded-Index Multimode fibers; Multimodes; ND : YAG lasers; Non-linear beams; Spatial beam profiles, Multimode fibers
DOI: 10.1364/LAOP.2016.LTh2A.2

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