Two-dimensional domain structures in Lithium Niobate via domain inversion with ultrafast light

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Title:	Two-dimensional domain structures in Lithium Niobate via domain inversion with ultrafast light
Author:	Chen, Xin; Karpinski, Pawel; Shvedov, Vladlen; Wang, Bingxia; Trull Silvestre, José Francisco; Cojocaru, Crina; Boes, A.; Mitchell, A.; Krolikowski, Wieslaw; Sheng, Yan
Other authors:	Universitat Politècnica de Catalunya. Departament de Física; Universitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers; Universitat Politècnica de Catalunya. SIMCON - Grup de Recerca de Simulació per Ordinador en Matèria Condensada
Abstract:	Periodic inversion of ferroelectric domains is realized in a lithium niobate crystal by focused femtosecond near-infrared laser beam. One and two-dimensional domain patterns are fabricated. Quasi-phase matched frequency doubling of 815nm light is demonstrated in a channel waveguide with an inscribed periodic domain pattern with conversion efficiency as high as 17.45%.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Física -Nonlinear optics -Infrared radiation -Òptica no lineal -Raigs infraroigs
Rights:	Attribution 3.0 Spain http://creativecommons.org/licenses/by/3.0/es/
Document type:	Article - Published version Article
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