Creation of orbital angular momentum states with chiral polaritonic lenses

Robert Dall*, Michael D. Fraser, Anton S. Desyatnikov, Guangyao Li, Sebastian Brodbeck, Martin Kamp, Christian Schneider, Sven Höfling, Elena A. Ostrovskaya

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    93 Citations (Scopus)

    Abstract

    Controlled transfer of orbital angular momentum to an 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 the generation of nontrivial orbital angular momentum states by using optically induced potentials - chiral polaritonic lenses. These lenses are produced by a structured optical pump with a spatial distribution of intensity that breaks the chiral symmetry of the system.

    Original languageEnglish
    Article number200404
    JournalPhysical Review Letters
    Volume113
    Issue number20
    DOIs
    Publication statusPublished - 12 Nov 2014

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