Optical fibers enter a new space-time era

Year: 2016

Authors: Krupa K., Tonello A., Dupiol R., Bendahmane A., Mohamed Shalaby B., Fabert M., Barthélémy A., Millot G., Wabnitz S., Couderc V.

Autors Affiliation: 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; Tanta University, Faculty of Science, Physics Department, Tanta, Egypt; Università di Brescia, Dipartimento di Ingegneria dell\’Informazione, INO-CNR, via Branze 38, Brescia, 25123, Italy

Abstract: We show experimentally a new type of parametric instability associated with the original phenomenon of beam self-cleaning in multimode fibers. Our experimental results are in good agreement with numerical solutions of the Gross-Pitaevskii equation.

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KeyWords: Bose-Einstein condensation; Optical fibers, Gross-Pitaevskii equation; Numerical solution; Parametric instabilities; Self cleaning; Space time, Multimode fibers
DOI: 10.1364/NP.2016.NW5A.2