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  Opt. Lett. 32, 1293-1295 (15 May 2007)
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Multivortex solitons in triangular photonic lattices
T. J. Alexander, A. S. Desyatnikov, and Yu. S. Kivshar,
Opt. Lett. 32, 1293-1295 (2007).
[Full-text PDF (482 Kb)] [Online]
Abstract: We introduce a novel class of stable lattice solitons with a complex phase structure composed of many single-charge discrete vortices in a triangular photonic lattice. We demonstrate that such nonlinear self-trapped states are linked to the resonant Bloch modes, which bear a honeycomb pattern of phase dislocations.
Keywords: vortex solitons; optical vortices; complexes

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