Robust propagation of two-color soliton clusters supported by competing nonlinearities |
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| Authors: | Kartashov Yaroslav V Crasovan Lucian-Cornel Mihalache Dumitru Torner Lluis |
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| Affiliation: | Institute of Photonic Sciences and Department of Signal Theory and Communications, Universitat Politecnica de Catalunya, 08034 Barcelona, Spain. |
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| 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. |
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