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

Christian, JM ORCID: https://orcid.org/0000-0003-2742-0569, McCoy, E, McDonald, GS ORCID: https://orcid.org/0000-0002-1304-5182, 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, 2012 , p. 137967.

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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: Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre
Journal or Publication Title: Journal of Atomic, Molecular, and Optical Physics
Publisher: Hindawi Publishing Corporation
Refereed: Yes
ISSN: 1687-9228
Related URLs:
Depositing User: JM Christian
Date Deposited: 08 Oct 2012 12:37
Last Modified: 15 Feb 2022 16:24
URI: https://usir.salford.ac.uk/id/eprint/26928

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