Spatio-Temporal Beam Dynamics in Multimode Nonlinear Optical Fibers

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TitreSpatio-Temporal Beam Dynamics in Multimode Nonlinear Optical Fibers
Type de publicationConference Paper
Year of Publication2017
AuteursKrupa K., Modotto D., Couderc V., Barthelemy A., Tonello A., Millot G., Wabnitz S.
Conference Name2017 19TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS (ICTON)
PublisherIEEE; IEEE Photon Soc; FYLA; OptoSigma; LIGHT TEC; Ajuntament Girona; AE Tech
Conference Location345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN Number978-1-5386-0859-3
Mots-clésNonlinear optics, optical amplifiers, Optical fibers, second-harmonic generation
Résumé

We overview recent advances in the spatio-temporal nonlinear dynamics of optical pulses propagating in multimode optical fibers. The Kerr effect leads to spatial beam self-cleaning in a graded-index multimode optical fiber, followed by sideband series generation spanning multiple octaves. Effectively single mode supercontinuum spanning from the visible to the mid-infrared was also demonstrated. Enhancement of Kerr beam self-cleaning was observed in active fiber with quasi-step index profile. Moreover, mutual self-cleaning was recently reported for both the fundamental and the second harmonic beams in optically poled multimode fibers with cubic and quadratic nonlinearity.