Observation of asymmetric solitons in waveguide arrays with refractive index gradient

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.contributor	Universitat Politècnica de Catalunya. FOTONICA - Grup de Recerca de Fotònica
dc.contributor.author	Weimann, Steffen
dc.contributor.author	Kartashov, Yaroslav V.
dc.contributor.author	Vysloukh, Victor A.
dc.contributor.author	Szameit, Alexander
dc.contributor.author	Torner Sabata, Lluís
dc.date	2014-06-15
dc.identifier.citation	Weimann, S. [et al.]. Observation of asymmetric solitons in waveguide arrays with refractive index gradient. "Optics letters", 15 Juny 2014, vol. 39, núm. 12, p. 3694-3697.
dc.identifier.citation	0146-9592
dc.identifier.citation	10.1364/OL.39.003694
dc.identifier.uri	http://hdl.handle.net/2117/23578
dc.language.iso	eng
dc.relation	http://arxiv.org/abs/1405.5098
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica
dc.subject	Solitons
dc.subject	Optical communications
dc.subject	Engineering controlled terms
dc.subject	Optical waveguides
dc.subject	Refractive index
dc.subject	Waveguides
dc.subject	Solitons
dc.subject	Comunicacions òptiques
dc.title	Observation of asymmetric solitons in waveguide arrays with refractive index gradient
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	We study light propagation in waveguide arrays made in Kerr nonlinear media with a transverse refractive index gradient, and we find that the presence of the refractive index gradient leads to the appearance of a number of new soliton families. The effective coupling between the solitons and the localized linear eigenmodes of the lattice induces a drastic asymmetry in the soliton shapes and the appearance of long tails at the soliton wings. Such unusual solitons are found to be completely stable under propagation, and we report their experimental observation in fs-laser written waveguide arrays with focusing Kerr nonlinearity.
dc.description.abstract	Peer Reviewed

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