Anisotropy-controlled topological stability of discrete vortex solitons in optically induced photonic lattices.

Abstract

We realize an experimental control over the topological stability of three-lobe discrete vortex solitons by modifying the symmetry of a hexagonal photonic lattice optically induced in a photorefractive crystal. By continuously deforming the lattice wave in one transverse direction, we manipulate the coupling between lattice sites and induce or inhibit the… (More)
DOI: 10.1364/OL.35.000604

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