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Phys Rev Lett. 2004 Mar 26;92(12):123903. Epub 2004 Mar 25.

Observation of discrete vortex solitons in optically induced photonic lattices.

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  • 1Nonlinear Physics Group, Research School of Physical Sciences and Engineering, Australian National University, Canberra ACT 0200, Australia.


We report on the first 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.

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