Observation of double-charge discrete vortex solitons in hexagonal photonic lattices
We report on the experimental observation of stable double-charge discrete vortex solitons generated in hexagonal photonic lattices created optically in self-focusing nonlinear media and show that single-charge vortex solitons are unstable in analogous conditions. Subsequently, we study, both theoretically and experimentally, the existence and stability of spatial vortex solitons in two-dimensional hexagonal photonic lattices. We demonstrate that the stability of the double-charge vortices is a...[Show more]
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|Source:||Physical Review A: Atomic, Molecular and Optical Physics|
|01_Terhalle_Observation_of_double-charge_2009.pdf||1.09 MB||Adobe PDF||Request a copy|
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