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Showing 1–6 of 6 results
Advanced filters: Author: Benoit Deveaud Clear advanced filters

  • The electrons and holes in a semiconductor can bind together to form excitons, which in turn couple together at higher carrier densities to create biexcitons. Here, the authors show, contrary to expectation, that biexcitons can outlive excitons at carrier densities close to the appearance of unbound electrons and holes.

    • Mehran Shahmohammadi
    • Gwénolé Jacopin
    • Benoit Deveaud
    Research
    Nature Communications
    Volume: 5, P: 1-6

  • Polaritons are an odd cross-breed of a particle, half-matter, half-light. They could offer an abundant crop of new and improved optoelectronic devices — a promise already being fulfilled.

    • Benoît Deveaud-Plédran
    News & Views
    Nature
    Volume: 453, P: 297-298

  • This paper presents a comprehensive set of experiments in which polaritons are excited in a semiconductor microcavity. Above a critical density of polaritons, massive occupation of the ground state at 19 K is observed and various pieces of experimental evidence point to a spontaneous onset of a macroscopic quantum phase.

    • J. Kasprzak
    • M. Richard
    • Le Si Dang
    Research
    Nature
    Volume: 443, P: 409-414

  • Exciton-polariton fluids—which are composed of composite light–matter bosons—provide an experimental means for studying quantum fluids that are intrinsically out of equilibrium. These authors demonstrate the nucleation and dynamics of vortex–anti-vortex pairs in the flow of exciton-polaritons passing around an obstacle, and establish these systems as a platform for studying quantum turbulence.

    • Gaël Nardin
    • Gabriele Grosso
    • Benoît Deveaud-Plédran
    Research
    Nature Physics
    Volume: 7, P: 635-641

  • Here, dynamical light squeezing is observed in the emission from two coupled weakly nonlinear populations of exciton-polaritons through ultrafast time-resolved second-order correlation measurements. Full quantum simulations link the squeezing to the periodic bunching observed in the light statistics.

    • Albert F. Adiyatullin
    • Mitchell D. Anderson
    • Benoit Deveaud
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-6