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Single-photon emission from exciton complexes in individual quantum dots

R. M. Thompson, R. M. Stevenson, A. J. Shields, I. Farrer, C. J. Lobo, D. A. Ritchie, M. L. Leadbeater, and M. Pepper
Phys. Rev. B 64, 201302(R) – Published 18 October 2001
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Abstract

Applications in optical quantum information technology require a new type of light source able to emit exactly one photon periodically with minimal timing jitter. We investigate the photon emission statistics of different electron-hole recombination processes in a single photo-excited semiconductor quantum dot. We demonstrate single photon emission from each of these exciton complexes, revealing the biexciton state to produce single photons with significantly less jitter in their emission time than the single exciton state.

  • Received 12 June 2001

DOI:https://doi.org/10.1103/PhysRevB.64.201302

©2001 American Physical Society

Authors & Affiliations

R. M. Thompson1,2, R. M. Stevenson1, A. J. Shields1, I. Farrer2, C. J. Lobo2, D. A. Ritchie2, M. L. Leadbeater1, and M. Pepper1,2

  • 1Toshiba Research Europe Limited, 260 Cambridge Science Park, Milton Road, Cambridge CB4 0WE, United Kingdom
  • 2Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE, United Kingdom

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Vol. 64, Iss. 20 — 15 November 2001

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