Rotating vortex solitons supported by localized gain

Details Rotating vortex solitons supported by localized gain Rotating vortex solitons supported by localized gain

2011-04-13

arxiv.org/abs/1104.2430v1

Optics Letters 36, 1936 (2011)

Physics

Optics

3 pages, 4 figures, to appear in Optics Letters

Scientific paper

We show that ring-like localized gain landscapes imprinted in focusing cubic (Kerr) nonlinear media with strong two-photon absorption support new types of stable higher-order vortex solitons containing multiple phase singularities nested inside a single core. The phase singularities are found to rotate around the center of the gain landscape, with the rotation period being determined by the strength of the gain and the nonlinear absorption.

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