Stabilization of multibeam necklace solitons in circular arrays with spatially modulated nonlinearity

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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	Kartashov, Yaroslav
dc.contributor.author	Malomed, B A
dc.contributor.author	Vysloukh, Victor A.
dc.contributor.author	Torner Sabata, Lluís
dc.date	2009-11
dc.identifier.citation	Kartashov, Y., Malomed, B., Vysloukh, V.A., Torner, L. Stabilization of multibeam necklace solitons in circular arrays with spatially modulated nonlinearity. "Physical review A", Novembre 2009, vol. 80, núm. 5, p. 3816-3820.
dc.identifier.citation	1050-2947
dc.identifier.citation	10.1103/PhysRevA.80.053816
dc.identifier.uri	http://hdl.handle.net/2117/105789
dc.language.iso	eng
dc.relation	https://journals.aps.org/pra/abstract/10.1103/PhysRevA.80.053816
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica
dc.subject	Photonics
dc.subject	Optical communications
dc.subject	Fotònica
dc.subject	Comunicacions òptiques
dc.title	Stabilization of multibeam necklace solitons in circular arrays with spatially modulated nonlinearity
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	We consider necklace solitons supported by circular waveguide arrays with out-of-phase modulation of nonlinearity and linear refractive index. Such two-dimensional necklace solitons appear as rings of multiple out-of-phase bright spots. We show that necklace solitons are stable if their peak intensity is low or moderate and that the domain of stability shrinks with increasing nonlinearity modulation depth. However, we find that the stability domains expand with increasing number of necklace spots.
dc.description.abstract	Peer Reviewed

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