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An entangled-light-emitting diode

Author

Listed:
  • C. L. Salter

    (Toshiba Research Europe Limited, 208 Cambridge Science Park, Cambridge CB4 0GZ, UK
    Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, UK)

  • R. M. Stevenson

    (Toshiba Research Europe Limited, 208 Cambridge Science Park, Cambridge CB4 0GZ, UK)

  • I. Farrer

    (Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, UK)

  • C. A. Nicoll

    (Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, UK)

  • D. A. Ritchie

    (Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, UK)

  • A. J. Shields

    (Toshiba Research Europe Limited, 208 Cambridge Science Park, Cambridge CB4 0GZ, UK)

Abstract

Entanglement to order For optical quantum computation and related information technologies to fulfil their promise, they will require a source of entangled photons that can be delivered efficiently on demand. Existing entangled-light sources are laser driven, and involve bulky and complicated optics. Salter et al. have now developed a compact light-emitting diode with an embedded quantum dot that can be driven electrically to generate entangled photon pairs. Much simpler than its laser-driven counterparts, this ELED (entangled-light-emitting diode) device, based on conventional semiconductor materials, is a promising start point for the development of an entangled light source for quantum information applications.

Suggested Citation

  • C. L. Salter & R. M. Stevenson & I. Farrer & C. A. Nicoll & D. A. Ritchie & A. J. Shields, 2010. "An entangled-light-emitting diode," Nature, Nature, vol. 465(7298), pages 594-597, June.
    • Handle: RePEc:nat:nature:v:465:y:2010:i:7298:d:10.1038_nature09078
    DOI: 10.1038/nature09078
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    Cited by:

    1. Wouter H. J. Peeters & Victor T. Lange & Abderrezak Belabbes & Max C. Hemert & Marvin Marco Jansen & Riccardo Farina & Marvin A. J. Tilburg & Marcel A. Verheijen & Silvana Botti & Friedhelm Bechstedt , 2024. "Direct bandgap quantum wells in hexagonal Silicon Germanium," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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