Robust soliton clusters in media with competing cubic and quintic nonlinearities

D. Mihalache, D. Mazilu, L. C. Crasovan, B. A. Malomed, F. Lederer, L. Torner

Research output: Contribution to journalArticlepeer-review

Abstract

The study of robust soliton clusters for light beams propagation in a media with competing cubic and quintic nonlinearities was presented. On the basis of an effective interaction potential, semianalytical predictions for the existence of quasistable necklace structures were proposed. The direct simulation study show that a necklace maintained its shape, when the initial pattern was close to the equilibrium size predicted by the potential. The obtained results suggested that combination of competing self-focusing and self-defocusing nonlinearities enhanced the robustness of both the vortex solitons and vorticity-carrying necklace patterns.

Original languageEnglish
Article number046612
Pages (from-to)466121-466128
Number of pages8
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume68
Issue number4 2
StatePublished - Oct 2003

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