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Impact of imbalancing in the self-splitting of beams with nested vortices into solitons in quadratic non-linear crystals

AuthorsMolina-Terriza, G.; Torres, J. P.; Torner, Lluis; Soto Crespo, J. M.
Issue Date1998
CitationOptics Communications 158: 170-180 (1998)
AbstractWe address the existence and instability of bright vortex solitary waves in quadratic non-linear media under conditions for Type II second-harmonic generation and study in detail the effects introduced by the presence of power imbalancing at the fundamental frequency. We find the families of solitary-wave solutions with different combinations of topological charges of the nested vortices and show their spontaneous azimuthal instability. The growth rates of the azimuthal perturbations are calculated as a function of the imbalancing. Experimental consequences are stressed and discussed. © 1998 Elsevier Science B.V. All rights reserved.
Identifiersdoi: 10.1016/S0030-4018(98)00512-4
issn: 0030-4018
Appears in Collections:(CFMAC-IO) Artículos
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