Four-wave mixing of light beams with engineered orbital angular momentum in cold cesium atoms

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Title:	Four-wave mixing of light beams with engineered orbital angular momentum in cold cesium atoms
Author:	Barreiro, S; Tabosa, J W R; Pérez Torres, Juan; Deyanova, Y; Torner Sabata, Lluís
Other authors:	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. FOTONICA - Grup de Recerca de Fotònica
Abstract:	We report an experimental demonstration that shows that the spatial structure carried by engineered coherent superpositions of light beams with orbital angular momentum can be mapped into the nonlinear polarization induced in a cloud of cold cesium atoms. The structure of such polarization was revealed by nearly degenerate four-wave-mixing processes.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica -Photonics -Fotònica
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Document type:	Article - Published version Article
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