Dark spatial soliton break-up in the transverse plane
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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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.
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|Schools:||Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Materials & Physics Research Centre|
|Journal or Publication Title:||Optics Communications|
|Depositing User:||GS McDonald|
|Date Deposited:||14 Oct 2011 12:26|
|Last Modified:||20 Aug 2013 18:14|
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