Stabilization of vortex-soliton beams in nematic liquid crystals
Minzoni, Antonmaria A; Smyth, Noel F; Xu, Zhiyong; Kivshar, Yuri
We study the interaction of two optical beams of different wavelengths (colors) in a nematic liquid crystal. We consider the case for which one component carries an optical vortex and the other component describes a localized beam. It is shown that a beam in one color can stabilize a vortex in the other color, the vortex being unstable in the absence of the second beam. We also show that the bright vortex can guide the beam in a stable manner, provided that the nonlocality is large enough. In...[Show more]
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|Source:||Physical Review A: Atomic, Molecular and Optical Physics|
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