Observation of discrete vortex solitons in optically-induced photonic lattices

Abstract

We report on the frst experimental observation of discrete vortex solitons in two-dimensional optically-induced photonic lattices. We demonstrate strong stabilization of an optical vortex by the lattice in a self-focusing nonlinear medium and study the generation of the discrete vortices from a broad class of singular beams.

4pages, 5 colour figures. to appear in PRL

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• Multidimensional solitons in periodic potentials
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