Rotating multipole vortex solitons in nonlocal media

Daniel Buccoliero; Anton S. Desyatnikov; Wieslaw Krolikowski; Yuri S. Kivshar

doi:10.1117/12.750113

17 July 2007 Rotating multipole vortex solitons in nonlocal media

Daniel Buccoliero, Anton S. Desyatnikov, Wieslaw Krolikowski, Yuri S. Kivshar

Proceedings Volume 6725, ICONO 2007: Nonlinear Space-Time Dynamics; 672507 (2007) https://doi.org/10.1117/12.750113
Event: The International Conference on Coherent and Nonlinear Optics, 2007, Minsk, Belarus

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.

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Daniel Buccoliero, Anton S. Desyatnikov, Wieslaw Krolikowski, and Yuri S. Kivshar "Rotating multipole vortex solitons in nonlocal media", Proc. SPIE 6725, ICONO 2007: Nonlinear Space-Time Dynamics, 672507 (17 July 2007); https://doi.org/10.1117/12.750113

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KEYWORDS

Solitons

Nonlinear optics

Spatial solitons

Beam propagation method

Nonlinear response

Singular optics

Numerical analysis

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