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Enhanced single-photon emission from a quantum dot in a micropost microcavity

Appl. Phys. Lett. 82, 3596 (2003); doi:10.1063/1.1577828

Issue Date: 26 May 2003

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Jelena Vuckovic, David Fattal, Charles Santori, Glenn S. Solomon, and Yoshihisa Yamamoto
Quantum Entanglement Project, ICORP, JST, Ginzton Laboratory, Stanford University, Stanford, California 94305
We demonstrate a single-photon source based on a quantum dot in a micropost microcavity that exhibits a large Purcell factor together with a small multiphoton probability. For a quantum dot on resonance with the cavity, the spontaneous emission rate is increased by a factor of 5, while the probability to emit two or more photons in the same pulse is reduced to 2% compared to a Poisson-distributed source of the same intensity. In addition to the small multiphoton probability, such a strong Purcell effect is important in a single-photon source for improving the photon outcoupling efficiency and the single-photon generation rate, and for bringing the emitted photon pulses closer to the Fourier transform limit. ©2003 American Institute of Physics.
History: Received 17 January 2003; accepted 25 March 2003
Permalink: http://link.aip.org/link/?APPLAB/82/3596/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.50.Ar
    Photon statistics and coherence theory
  • 78.67.Hc
    Optical properties of quantum dots
  • 42.82.Gw
    Other integrated-optical elements and systems
  • 78.47.+p
    Time-resolved optical spectroscopies and other ultrafast optical measurements in condensed matter
  • 78.55.Cr
    Photoluminescence in III–V semiconductors
  • YEAR: 2003

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (18)
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