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Quantum dots in planar cavities - Single and entangled photon sources

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

Published
  • Robert Young
  • Mark Stevenson
  • Paola Atkinson
  • Ken Cooper
  • David Ritchie
  • Andrew Shields
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Publication date2007
Host publicationAdvances in Solid State Physics
EditorsRolf Haug
Place of PublicationBerlin
PublisherSpringer Verlag
Pages59-69
Number of pages11
Volume46
ISBN (electronic)978-3-540-38235-5
ISBN (print)978-3-540-38234-8
<mark>Original language</mark>English
EventSpring Meeting of the Deutsche-Physikalische-Gesellschaft - Dresden, Germany
Duration: 27/03/200631/03/2006

Conference

ConferenceSpring Meeting of the Deutsche-Physikalische-Gesellschaft
Country/TerritoryGermany
CityDresden
Period27/03/0631/03/06

Publication series

NameAdvaces in Solid State Physics
PublisherSpringer Verlag
Volume46
ISSN (Print)1438-4329

Conference

ConferenceSpring Meeting of the Deutsche-Physikalische-Gesellschaft
Country/TerritoryGermany
CityDresden
Period27/03/0631/03/06

Abstract

We show that single InAs quantum dots embedded in a planar cavity, formed by mismatched sets of GaAs/AlAs distributed Bragg reflectors, can be a useful source of triggered single photons as well as polarisation-entangled photon pairs. The former is demonstrated with a second order correlation function under 0.1 and the latter with a fidelity exceeding 70%. Such quantum dot devices may be useful in quantum communications and quantum information processing.