Soliton Mobility in Nonlocal Optical Lattices

Zhiyong Xu, Yaroslav V. Kartashov, and Lluis Torner
Phys. Rev. Lett. 95, 113901 – Published 9 September 2005

Abstract

We address the impact of nonlocality in the physical features exhibited by solitons supported by Kerr-type nonlinear media with an imprinted optical lattice. We discover that the nonlocality of the nonlinear response can profoundly affect the soliton mobility, hence all the related phenomena. Such behavior manifests itself in significant reductions of the Peierls-Nabarro potential with an increase in the degree of nonlocality, a result that opens the rare possibility in nature of almost radiationless propagation of highly localized solitons across the lattice.

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  • Received 27 February 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.113901

©2005 American Physical Society

Authors & Affiliations

Zhiyong Xu, Yaroslav V. Kartashov*, and Lluis Torner

  • ICFO-Institut de Ciencies Fotoniques, and Universitat Politecnica de Catalunya, Barcelona, Spain

  • *On leave from Physics Department, M. V. Lomonosov Moscow State University, Moscow, Russia.

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Vol. 95, Iss. 11 — 9 September 2005

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