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Cavity-control of interlayer excitons in van der Waals heterostructures

Author

Listed:
  • Michael Förg

    (Ludwig-Maximilians-Universität München)

  • Léo Colombier

    (Ludwig-Maximilians-Universität München)

  • Robin K. Patel

    (Ludwig-Maximilians-Universität München)

  • Jessica Lindlau

    (Ludwig-Maximilians-Universität München)

  • Aditya D. Mohite

    (Rice University)

  • Hisato Yamaguchi

    (Los Alamos National Laboratory (LANL))

  • Mikhail M. Glazov

    (Ioffe Institute
    Spin Optics Laboratory, Saint Petersburg State University)

  • David Hunger

    (Karlsruher Institut für Technologie)

  • Alexander Högele

    (Ludwig-Maximilians-Universität München
    Munich Center for Quantum Science and Technology (MCQST))

Abstract

Monolayer transition metal dichalcogenides integrated in optical microcavities host exciton-polaritons as a hallmark of the strong light-matter coupling regime. Analogous concepts for hybrid light-matter systems employing spatially indirect excitons with a permanent electric dipole moment in heterobilayer crystals promise realizations of exciton-polariton gases and condensates with inherent dipolar interactions. Here, we implement cavity-control of interlayer excitons in vertical MoSe2-WSe2 heterostructures. Our experiments demonstrate the Purcell effect for heterobilayer emission in cavity-modified photonic environments, and quantify the light-matter coupling strength of interlayer excitons. The results will facilitate further developments of dipolar exciton-polariton gases and condensates in hybrid cavity – van der Waals heterostructure systems.

Suggested Citation

  • Michael Förg & Léo Colombier & Robin K. Patel & Jessica Lindlau & Aditya D. Mohite & Hisato Yamaguchi & Mikhail M. Glazov & David Hunger & Alexander Högele, 2019. "Cavity-control of interlayer excitons in van der Waals heterostructures," Nature Communications, Nature, vol. 10(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-11620-z
    DOI: 10.1038/s41467-019-11620-z
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