The effect of atomic and optical perturbations on formation and propagation of vortex solitons in a dense atomic media of gas-filled hollow-core optical fibersстатья
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Дата последнего поиска статьи во внешних источниках: 13 марта 2017 г.
Аннотация:We study the problem of formation and stability of light vortices in presence of atomic and optical perturbations in a hollow-core fibers filled with a cold gas of three-level 87Rb atoms. We show that the Lorentz local field in description of light-matter interaction is responsible for a significant shift of the stability area of the vortex solitons on the plane of the control parameters. Scenarios of jump-like transitions of vortex solitons to vortex-free localized optical structures are determined for the cases when those are initiated by either modulation of the pump field intensity, or generation of sound waves, or increase of temperature-dependent fluctuations of the gas density in the hollow core of optical fiber.