Nondiffractive-nondiffusive beams in complex crystals

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Title:	Nondiffractive-nondiffusive beams in complex crystals
Author:	Herrero Simon, Ramon; Botey Cumella, Muriel; Staliunas, Kestutis
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:	The study of spatial dispersion of two-dimensional complex crystals, with periodic modulations of both gain-loss and the refractive index, reveals simultaneous nondiffractive-nondiffusive light propagation. Narrow light beams and light patterns propagate without dispersion while amplified through the complex material. We determine and explore nondiffractive-nondiffusive regimes for collinear and noncollinear propagation.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Ciències de la visió::Òptica física -Àrees temàtiques de la UPC::Física -Light -Photonic crystals -Photonic crystals -Propagation -Light -Llum -- Propagació -Cristalls fotònics
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Document type:	Article - Published version Article
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