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Controlled Ordering of Topological Charges in an Exciton-Polariton Chain

Gao, Tingge; Egorov, Oleg A; Estrecho, Eliezer; Winkler, K; Kamp, Martin; Schneider, C; Höfling, S; Truscott, Andrew; Ostrovskaya, Elena


We demonstrate, experimentally and theoretically, controlled loading of an exciton-polariton vortex chain into a 1D array of trapping potentials. Switching between two types of vortex chains, with topological charges of the same or alternating signs, is achieved by appropriately shaping an off-resonant pump beam that drives the system to the regime of bosonic condensation. In analogy to spin chains, these vortex sequences realize either a “ferromagnetic” or an “antiferromagnetic” order, whereby...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.121.225302
Access Rights: Open Access


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