Cerenkov third-harmonic generation in chi((2)) nonlinear photonic crystal

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Title:	Cerenkov third-harmonic generation in chi((2)) nonlinear photonic crystal
Author:	Sheng, Yan; Wang, Wenjie; Shiloh, Roy; Roppo, Vito; Kong, Y.; Arie, Ady; Krolikowski, W.
Other authors:	Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear; Universitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers
Abstract:	We report on the observation of Čerenkov emission of a third-harmonic frequency in a two-dimensional nonlinear photonic crystal, where the second-order nonlinearity chi((2)) is spatially modulated by the reversal of ferroelectric domains. We analyze both spatial and polarization properties of the emitted radiation and find the results in agreement with our theoretical predictions.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Física::Física de partícules::Fotons -Čerenkov THG -Photonic crystal -Txerenkov GTH -Cristalls fotònics
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Document type:	Article - Published version Article
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