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Atomically thin quantum light-emitting diodes

Author

Listed:
  • Carmen Palacios-Berraquero

    (Cavendish Laboratory, University of Cambridge)

  • Matteo Barbone

    (Cambridge Graphene Centre, University of Cambridge)

  • Dhiren M. Kara

    (Cavendish Laboratory, University of Cambridge)

  • Xiaolong Chen

    (Cambridge Graphene Centre, University of Cambridge)

  • Ilya Goykhman

    (Cambridge Graphene Centre, University of Cambridge)

  • Duhee Yoon

    (Cambridge Graphene Centre, University of Cambridge)

  • Anna K. Ott

    (Cambridge Graphene Centre, University of Cambridge)

  • Jan Beitner

    (Cavendish Laboratory, University of Cambridge)

  • Kenji Watanabe

    (Advanced Materials Laboratory, National Institute for Materials Science)

  • Takashi Taniguchi

    (Advanced Materials Laboratory, National Institute for Materials Science)

  • Andrea C. Ferrari

    (Cambridge Graphene Centre, University of Cambridge)

  • Mete Atatüre

    (Cavendish Laboratory, University of Cambridge)

Abstract

Transition metal dichalcogenides are optically active, layered materials promising for fast optoelectronics and on-chip photonics. We demonstrate electrically driven single-photon emission from localized sites in tungsten diselenide and tungsten disulphide. To achieve this, we fabricate a light-emitting diode structure comprising single-layer graphene, thin hexagonal boron nitride and transition metal dichalcogenide mono- and bi-layers. Photon correlation measurements are used to confirm the single-photon nature of the spectrally sharp emission. These results present the transition metal dichalcogenide family as a platform for hybrid, broadband, atomically precise quantum photonics devices.

Suggested Citation

  • Carmen Palacios-Berraquero & Matteo Barbone & Dhiren M. Kara & Xiaolong Chen & Ilya Goykhman & Duhee Yoon & Anna K. Ott & Jan Beitner & Kenji Watanabe & Takashi Taniguchi & Andrea C. Ferrari & Mete At, 2016. "Atomically thin quantum light-emitting diodes," Nature Communications, Nature, vol. 7(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12978
    DOI: 10.1038/ncomms12978
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    Cited by:

    1. Luca Sortino & Panaiot G. Zotev & Catherine L. Phillips & Alistair J. Brash & Javier Cambiasso & Elena Marensi & A. Mark Fox & Stefan A. Maier & Riccardo Sapienza & Alexander I. Tartakovskii, 2021. "Bright single photon emitters with enhanced quantum efficiency in a two-dimensional semiconductor coupled with dielectric nano-antennas," Nature Communications, Nature, vol. 12(1), pages 1-9, December.

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