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Single-photon emitting diode in silicon carbide

Author

Listed:
  • A. Lohrmann

    (School of Physics, The University of Melbourne)

  • N. Iwamoto

    (SemiConductor Analysis and Radiation Effects Group, Japan Atomic Energy Agency)

  • Z. Bodrog

    (Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences)

  • S. Castelletto

    (School of Aerospace, Mechanical and Manufacturing Engineering, RMIT University)

  • T. Ohshima

    (SemiConductor Analysis and Radiation Effects Group, Japan Atomic Energy Agency)

  • T.J. Karle

    (School of Physics, The University of Melbourne)

  • A. Gali

    (Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Hungarian Academy of Sciences
    Budapest University of Technology and Economics)

  • S. Prawer

    (School of Physics, The University of Melbourne)

  • J.C. McCallum

    (School of Physics, The University of Melbourne)

  • B.C. Johnson

    (Centre for Quantum Computing and Communication Technology, School of Physics, University of Melbourne)

Abstract

Electrically driven single-photon emitting devices have immediate applications in quantum cryptography, quantum computation and single-photon metrology. Mature device fabrication protocols and the recent observations of single defect systems with quantum functionalities make silicon carbide an ideal material to build such devices. Here, we demonstrate the fabrication of bright single-photon emitting diodes. The electrically driven emitters display fully polarized output, superior photon statistics (with a count rate of >300 kHz) and stability in both continuous and pulsed modes, all at room temperature. The atomic origin of the single-photon source is proposed. These results provide a foundation for the large scale integration of single-photon sources into a broad range of applications, such as quantum cryptography or linear optics quantum computing.

Suggested Citation

  • A. Lohrmann & N. Iwamoto & Z. Bodrog & S. Castelletto & T. Ohshima & T.J. Karle & A. Gali & S. Prawer & J.C. McCallum & B.C. Johnson, 2015. "Single-photon emitting diode in silicon carbide," Nature Communications, Nature, vol. 6(1), pages 1-7, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8783
    DOI: 10.1038/ncomms8783
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