Dissipative vortex solitons in 2D-lattices
C. Mej\'ia-Cort\'es, J.M. Soto-Crespo, Mario I. Molina, and Rodrigo A., Vicencio
TL;DR
This paper demonstrates the existence and stability of vortex solitons in 2D dissipative lattice systems, revealing novel phase dynamics and experimentally feasible vortex structures.
Contribution
It introduces a family of stable vortex solitons with topological charge 1 in 2D dissipative systems governed by the cubic-quintic Ginzburg-Landau equation.
Findings
Stable symmetric vortex solutions identified.
Unstable solutions evolve into swirl-vortex solitons.
Experimental feasibility of exciting these structures shown.
Abstract
We report the existence of stable symmetric vortex-type solutions for two-dimensional nonlinear discrete dissipative systems governed by a cubic-quintic complex Ginzburg-Landau equation. We construct a whole family of vortex solitons with a topological charge S = 1. Surprisingly, the dynamical evolution of unstable solutions of this family does not alter significantly their profile, instead their phase distribution completely changes. They transform into two-charges swirl-vortex solitons. We dynamically excite this novel structure showing its experimental feasibility.
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