Coherent merging of counter-propagating exciton-polariton superfluids
arXiv:1802.06906 · doi:10.1103/PhysRevB.98.024503
Abstract
We report the formation of a macroscopic coherent state emerging from colliding polariton fluids. Four lasers with random relative phases, arranged in a square, pump resonantly a planar microcavity, creating four coherent polariton fluids propagating toward each other. When the density (interactions) increases, the four fluids synchronise and the topological excitations (vortex or soliton) disappear to form a single superfluid.
arXiv comment5 pages, 4 figures
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