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Showing 1–16 of 16 results
Advanced filters: Author: D. N. Krizhanovskii Clear advanced filters

  • Scientists present the first experimental observations of bright polariton solitons in a strongly coupled semiconductor microcavity. The findings should pave the way to the investigation of a variety of fundamental phenomena, such as interactions between solitons with different spins and the formation of soliton molecules.

    • M. Sich
    • D. N. Krizhanovskii
    • P. V. Santos
    Research
    Nature Photonics
    Volume: 6, P: 50-55

  • Similar to atoms in cold gases, exciton–polaritons in semiconductor microcavities can undergo Bose–Einstein condensation, but under non-equilibrium conditions. Now, quantized vortices and persistent currents — hallmarks of superfluid behaviour — have been observed in such condensates.

    • D. Sanvitto
    • F. M. Marchetti
    • L. Viña
    Research
    Nature Physics
    Volume: 6, P: 527-533

  • Here, the authors report the creation of trion-polaritons in monolayer MoSe2 in an open microcavity exhibiting strong nonlinear interactions, one order of magnitude bigger than those observed for exciton polaritons in GaAs.

    • R. P. A. Emmanuele
    • M. Sich
    • D. N. Krizhanovskii
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • A spin–orbit coupling effect in photonic graphene made of coupled polaritonic microcavities is experimentally realized, revealing the unique fine structure of the eigenstates around the Dirac points, with the formation of a Dresselhaus-like effective magnetic field that can be mapped to a non-Abelian gauge field.

    • C. E. Whittaker
    • T. Dowling
    • D. N. Krizhanovskii
    Research
    Nature Photonics
    Volume: 15, P: 193-196

  • Researchers excite valley-addressable polaritons in MoSe2 incorporated in a photonic microcavity. Understanding of the valley pseudospin retention is revealed and robust states demonstrated.

    • S. Dufferwiel
    • T. P. Lyons
    • A. I. Tartakovskii
    Research
    Nature Photonics
    Volume: 11, P: 497-501

  • Harnessing nonlinear optics in optoelectronic devices requires a platform that exhibits both giant optical nonlinearity and is compatible with photonic-circuit fabrication. Here, the authors demonstrate such a system that uses strong light–matter coupling between waveguide photons and quantum-well excitons.

    • P. M. Walker
    • L. Tinkler
    • D. N. Krizhanovskii
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Polaritons are exciton–photon hybrid particles that are created when the interaction between light and matter is strong enough. Here, the authors create polaritons in molybdenum diselenide/boron nitride quantum wells by enhancing the light–matter coupling using a tunable optical cavity.

    • S. Dufferwiel
    • S. Schwarz
    • A. I. Tartakovskii
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • The short exciton life time in atomically thin transition metal dichalcogenides poses limitations to efficient control of the valley pseudospin and coherence. Here, the authors manipulate the exciton coherence in a WSe2 monolayer embedded in an optical microcavity in the strong light-matter coupling regime.

    • S. Dufferwiel
    • T. P. Lyons
    • A. I. Tartakovskii
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-7

  • Cherenkov radiation is generated from fast electrons and its optical analogue plays an important role in many nonlinear optical effects. Here, Skryabin et al. demonstrate backward-propagating photonic Cherenkov radiation generated from solitons in a semiconductor exciton-polariton system.

    • D. V. Skryabin
    • Y. V. Kartashov
    • D. N. Krizhanovskii
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-9