Vortex multistability and Bessel vortices in polariton condensates

Abstract

Vortices are topological objects formed in coherent nonlinear systems. As such they are studied in a wide number of physical systems and promise applications in information storage, processing, and communication. In semiconductor microcavities, vortices in polariton condensates can be conveniently created, studied, and manipulated using solely optical means. For non-resonant excitation with a ring-shaped pump a stable vortex can be formed, leading to bistability with left- and righthanded vorticity. In the present work we report on a much richer vortex multistability, with optically addressable vortices with topological charges |m|=1, 2, and 3, all stable for the same system and excitation parameters. This unusual multistable behavior is rooted in the inherent nonlinear feedback between reservoir excitations and condensate in the microcavity. For larger radius of the ring shaped pump we also find a Bessel vortex with its characteristic spiralling phase in the high density region and pronounced self-stabilization ability. Our theoretical results open up exciting possibilities for optical manipulation of vortex multiplets in a compact semiconductor system.

6 pages and 6 figures

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Cited by in corpus (16)

• Geometric frustration in polygons of polariton condensates creating vortices of varying topological charge
• Non-reciprocal Exciton-Polariton Ring Lattices
• Formation dynamics of exciton polariton vortices created by non-resonant annular pumping
• Rotating patterns in polariton condensates in ring-shaped potentials under bichromatic pump
• Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems
• Dark soliton of polariton condensates under nonresonant PT-symmetric pumping
• Multistable circular currents of polariton condensates trapped in ring potentials
• Long Josephson junctions with exciton-polariton condensates
• Vortex clusters in a stirred polariton condensate
• Circular polarization reversal of half-vortex cores in polariton condensates
• Topological edge and corner states in coupled wave lattices in nonlinear polariton condensates
• Controllable high-speed polariton waves in a PT-symmetric lattice
• Spontaneous and engineered transformations of topological structures in nonlinear media with gain and loss
• Discrete chiral ballistic polariton laser
• Acoustic Analogues of Extremal Rotating Black Holes in Exciton-Polariton Condensates
• Dissipative Magnetic Polariton Soliton