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Dark spatial soliton break-up in the transverse plane

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Mcdonald, GS, Syed, KS and Firth, WJ 1993, 'Dark spatial soliton break-up in the transverse plane' , Optics Communications, 95 (4-6) , pp. 281-288.

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    Abstract

    We report on numerical simulations investigating the instabilities which arise when dark soliton solutions of the two-dimensional (2D) nonlinear Schrödinger equation are allowed to propagate in a 3D self-defocussing medium. Firstly, propagation of fully 3D gaussians beams is studied. Then, on plane background, small sinusoidal and random perturbations are considered. We demonstrate break-up of the dark soliton profile into patterns of dark spots which are identified as phase singularities.

    Item Type: Article
    Themes: Energy
    Media, Digital Technology and the Creative Economy
    Subjects outside of the University Themes
    Schools: Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre
    Journal or Publication Title: Optics Communications
    Publisher: Elsevier
    Refereed: Yes
    ISSN: 0030-4018
    Related URLs:
    Depositing User: GS McDonald
    Date Deposited: 14 Oct 2011 12:26
    Last Modified: 14 Oct 2011 12:26
    URI: http://usir.salford.ac.uk/id/eprint/18351

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