Atomically thin quantum light-emitting diodes
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Peer-reviewed
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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.
Description
Keywords
cond-mat.mes-hall, cond-mat.mes-hall, quant-ph
Journal Title
Nature Communications
Conference Name
Journal ISSN
2041-1723
2041-1723
2041-1723
Volume Title
7
Publisher
Nature Publishing Group
Publisher DOI
Sponsorship
European Commission (604391)
European Research Council (319277)
Engineering and Physical Sciences Research Council (EP/K01711X/1)
Engineering and Physical Sciences Research Council (EP/K017144/1)
Engineering and Physical Sciences Research Council (EP/M507799/1)
Engineering and Physical Sciences Research Council (EP/L016087/1)
Engineering and Physical Sciences Research Council (EP/M013243/1)
Engineering and Physical Sciences Research Council (EP/G037221/1)
Engineering and Physical Sciences Research Council (EP/K035282/1)
European Commission Horizon 2020 (H2020) Future and Emerging Technologies (FET) (696656)
European Research Council (319277)
Engineering and Physical Sciences Research Council (EP/K01711X/1)
Engineering and Physical Sciences Research Council (EP/K017144/1)
Engineering and Physical Sciences Research Council (EP/M507799/1)
Engineering and Physical Sciences Research Council (EP/L016087/1)
Engineering and Physical Sciences Research Council (EP/M013243/1)
Engineering and Physical Sciences Research Council (EP/G037221/1)
Engineering and Physical Sciences Research Council (EP/K035282/1)
European Commission Horizon 2020 (H2020) Future and Emerging Technologies (FET) (696656)
European Research Council (Grant ID: PHOENICS), Engineering and Physical Sciences Research Council (Grant ID: EP/N010345/1)