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Observation of multivortex solitons in photonic lattices

Terhalle, Bernd; Richter, T; Desyatnikov, Anton S; Neshev, Dragomir; Kaiser, Friedemann; Denz, Cornelia; Krolikowski, Wieslaw; Kivshar, Yuri


We report on the first observation of topologically stable spatially localized multivortex solitons generated in optically induced hexagonal photonic lattices. We demonstrate that topological stabilization of such nonlinear localized states can be achieved through self-trapping of truncated two-dimensional Bloch waves and confirm our experimental results by numerical simulations of the beam propagation in weakly deformed lattice potentials in anisotropic photorefractive media.

CollectionsANU Research Publications
Date published: 2008-07-03
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.101.013903


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