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Azimuthons: spatially modulated vortex solitons

Desyatnikov, Anton S; Sukhorukov, Andrey; Kivshar, Yuri


We introduce a novel class of spatially localized self-trapped ringlike singular optical beams in nonlinear media, the so-called azimuthons, which appear due to a continuous azimuthal deformation of vortex solitons.We demonstrate that the azimuthons are characterized by two independent integer indices, the topological charge m and the number N of the intensity peaks along the ring. Each soliton family includes azimuthons with negative, positive, and zero angular velocity.

CollectionsANU Research Publications
Date published: 2005-11-09
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.95.203904


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