The optical control of spatial dissipative solitons in optical fibers filled with a cold atomic gas

摘要

We consider the problem of formation and propagation of optical vortex solitons in hollow-core optical fibres filled with a cold atomic gas for the case of the Raman regime in the A-scheme of interaction subject to the Lorentz local field effects and in the presence of optical and atomic perturbations. We shows that the coherent optical control by pump beam in such an atomic medium leads to effective development of dynamical equilibrium of diffraction, nonlinear and dissipative processes necessary to stabilize dissipative vortex solitons. We demonstrate that the generation of acoustic waves even with small amplitudes in the fiber can quickly destroy the soliton mode.