Creation of orbital angular momentum states with chiral polaritonic lenses
arXiv:1406.7390 · doi:10.1103/PhysRevLett.113.200404
Abstract
Controlled transfer of orbital angular momentum to exciton-polariton Bose-Einstein condensate spontaneously created under incoherent, off-resonant excitation conditions is a long-standing challenge in the field of microcavity polaritonics. We demonstrate, experimentally and theoretically, a simple and efficient approach to generation of nontrivial orbital angular momentum states by using optically-induced potentials -- chiral polaritonic lenses.
arXiv comment5 pages, 5 figures
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- Convexity properties of superpositions of degenerate bipartite eigenstates
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