Observation of 2nd band vortex solitons in 2D photonic lattices

Details Observation of 2nd band vortex solitons in 2D photonic lattices Observation of 2nd band vortex solitons in 2D photonic lattices

2005-03-14

arxiv.org/abs/physics/0503118v1

Physics

Optics

Scientific paper

10.1103/PhysRevLett.95.053904

We demonstrate second-band bright vortex-array solitons in photonic lattices. This constitutes the first experimental observation of higher-band solitons in any 2D periodic system. These solitons possess complex intensity and phase structures, yet they can be excited by a simple highly-localized vortex-ring beam. Finally, we show that the linear diffraction of such beams exhibits preferential transport along the lattice axes.

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