Robust Propagation of Two-Color Soliton Clusters Supported by Competing Nonlinearities

Yaroslav V. Kartashov, Lucian-Cornel Crasovan, Dumitru Mihalache, and Lluis Torner

Phys. Rev. Lett. 89, 273902 – Published 19 December 2002

Abstract

We reveal numerically the remarkably robust propagation of quasistationary two-color soliton clusters in media with competing quadratic and cubic nonlinearities. We predict that such clusters carrying nonzero angular momentum can propagate over any practically feasible crystal length before they decay, even in the presence of input random perturbations.

Received 28 June 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.273902

Authors & Affiliations

Yaroslav V. Kartashov^1,2, Lucian-Cornel Crasovan^1,3, Dumitru Mihalache^1,3, and Lluis Torner¹

¹Institute of Photonic Sciences and Department of Signal Theory and Communications, Universitat Politecnica de Catalunya, 08034, Barcelona, Spain
²Physics Department, M. V. Lomonosov Moscow State University, 119899, Moscow, Russia
³Department of Theoretical Physics, Institute of Atomic Physics, Bucharest, Romania

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Vol. 89, Iss. 27 — 30 December 2002

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Physical Review Letters

Robust Propagation of Two-Color Soliton Clusters Supported by Competing Nonlinearities

Yaroslav V. Kartashov, Lucian-Cornel Crasovan, Dumitru Mihalache, and Lluis Torner

Phys. Rev. Lett. 89, 273902 – Published 19 December 2002

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