We investigate spatial localization in a quadratic nonlinear medium in the presence of randomness. By means of numerical simulations and theoretical analyses we show that, in the down conversion regime, the transverse random modulation of the nonlinear susceptibility generates localizations of the fundamental wave that grow exponentially in propagation. The localization length is optically controlled by the pump intensity that determines the amplification rate. The results also apply to cubic nonlinearities. (C) 2013 Optical Society of America

Purely nonlinear disorder-induced localizations and their parametric amplification / Viola, Folli; Katia, Gallo; Conti, Claudio. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 38:24(2013), pp. 5276-5279. [10.1364/ol.38.005276]

Purely nonlinear disorder-induced localizations and their parametric amplification

CONTI, CLAUDIO
2013

Abstract

We investigate spatial localization in a quadratic nonlinear medium in the presence of randomness. By means of numerical simulations and theoretical analyses we show that, in the down conversion regime, the transverse random modulation of the nonlinear susceptibility generates localizations of the fundamental wave that grow exponentially in propagation. The localization length is optically controlled by the pump intensity that determines the amplification rate. The results also apply to cubic nonlinearities. (C) 2013 Optical Society of America
2013
nonlinear optical materials; nonlinear optics; materials
01 Pubblicazione su rivista::01a Articolo in rivista
Purely nonlinear disorder-induced localizations and their parametric amplification / Viola, Folli; Katia, Gallo; Conti, Claudio. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 38:24(2013), pp. 5276-5279. [10.1364/ol.38.005276]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/534062
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