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Helmholtz bright spatial solitons and surface waves at power-law optical interfaces

Christian, JM, McCoy, E, McDonald, GS, Sanchez-Curto, J and Chamorro-Posada, P 2012, 'Helmholtz bright spatial solitons and surface waves at power-law optical interfaces' , Journal of Atomic, Molecular, and Optical Physics . (In Press)

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    Abstract

    We consider arbitrary-angle interactions between spatial solitons and the planar boundary between two optical materials with a single power-law nonlinear refractive index. Extensive analysis has uncovered a wide range of new qualitative phenomena in non-Kerr regimes. A universal Helmholtz-Snell law describing soliton refraction is derived using exact solutions to the governing equation as a nonlinear basis. New predictions are tested through exhaustive computations, which have uncovered substantially enhanced Goos-Hänchen shifts at some non-Kerr interfaces. Helmholtz nonlinear surface waves are analyzed theoretically, and their stability properties are investigated numerically for the first time. Interactions between surface waves and obliquely-incident solitons are also considered. Novel solution behaviours have been uncovered, which depend upon a complex interplay between incidence angle, medium mismatch parameters, and the power-law nonlinearity exponent.

    Item Type: Article
    Themes: Subjects outside of the University Themes
    Schools: Colleges and Schools > College of Science & Technology
    Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
    Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
    Journal or Publication Title: Journal of Atomic, Molecular, and Optical Physics
    Publisher: Hindawi Publishing Corporation
    Refereed: Yes
    ISSN: 1687-9228
    Depositing User: JM Christian
    Date Deposited: 08 Oct 2012 13:37
    Last Modified: 20 Aug 2013 18:34
    URI: http://usir.salford.ac.uk/id/eprint/26928

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