Vortex stabilization by means of spatial solitons in nonlocal media
JOURNAL OF OPTICS(2016)
Abstract
We investigate how optical vortices, which tend to be azimuthally unstable in local nonlinear materials, can be stabilized by a copropagating coaxial spatial solitary wave in nonlocal, nonlinear media. We focus on the formation of nonlinear vortex-soliton vector beams in reorientational soft matter, namely nematic liquid crystals, and report on experimental results, as well as numerical simulations.
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Key words
optical vortex,spatial solitons,self-action effects,liquid crystals
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