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Proceedings Paper

Rotating multipole vortex solitons in nonlocal media
Author(s): Daniel Buccoliero; Anton S. Desyatnikov; Wieslaw Krolikowski; Yuri S. Kivshar
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Paper Abstract

We develop a general approach to the problem of the propagation dynamics of higher-order multipole spatial solitons in nonlocal nonlinear media. By introducing the generalized Hermite-Laguerre-Gaussian ansatz similar to the corresponding linear modes, we construct nonlocal solitons by means of the variational approach and then find them numerically as stationary states. We then study the example of a tripole-like structure with nonzero angular momentum and investigate the stable propagation of such a beam in optical media with a nonlocal Gaussian response. Our results provide the first example of a self-trapped multi-vortex beam in self-focusing nonlinear media.

Paper Details

Date Published: 17 July 2007
PDF: 6 pages
Proc. SPIE 6725, ICONO 2007: Nonlinear Space-Time Dynamics, 672507 (17 July 2007); doi: 10.1117/12.750113
Show Author Affiliations
Daniel Buccoliero, Australian National Univ. (Australia)
Anton S. Desyatnikov, Australian National Univ. (Australia)
Wieslaw Krolikowski, Australian National Univ. (Australia)
Yuri S. Kivshar, Australian National Univ. (Australia)

Published in SPIE Proceedings Vol. 6725:
ICONO 2007: Nonlinear Space-Time Dynamics
Yuri Kivshar; Nikolay Rosanov, Editor(s)

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