Solitary-wave vortices in type II second-harmonic generation

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/97968

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	Pérez Torres, Juan
dc.contributor.author	Soto-Crespo, J M
dc.contributor.author	Torner Sabata, Lluís
dc.contributor.author	Petrov, Dimitri
dc.date	1998-05
dc.identifier.citation	Juan P. Torres, Soto-Crespo, J., Torner, L., Petrov, D. Solitary-wave vortices in type II second-harmonic generation. "Optics communications", Maig 1998, vol. 149, núm. 1, p. 77-83.
dc.identifier.citation	0030-4018
dc.identifier.citation	10.1016/S0030-4018(97)00730-X
dc.identifier.uri	http://hdl.handle.net/2117/97968
dc.language.iso	eng
dc.relation	http://www.sciencedirect.com/science/article/pii/S003040189700730X
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	Photonics
dc.subject	Optical communications
dc.subject	Vortex
dc.subject	Soliton
dc.subject	Fotònica
dc.subject	Comunicacions òptiques
dc.title	Solitary-wave vortices in type II second-harmonic generation
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	We find families of optical bright, vortex solitary waves in bulk quadratic nonlinear media under conditions for type II second-harmonic generation. We study the main properties of the families of solitary waves, including their stability. The vortex solitary waves are found to be azimuthally unstable and their decay into sets of stable spatial solitons is shown. We calculate the growth rates of the possible azimuthal perturbations with different azimuthal index and show how those affect the pattern of output light. Numerical simulations to check the predictions of the stability analysis are also reported.
dc.description.abstract	Peer Reviewed

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