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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 6 — Jun. 1, 2011
  • pp: 1404–1408

Extrapolation of the intensity autocorrelation function of a quantum-dot micropillar laser into the thermal emission regime

Jean-Sebastian Tempel, Ilya A. Akimov, Marc Aßmann, Christian Schneider, Sven Höfling, Caroline Kistner, Stephan Reitzenstein, Lukas Worschech, Alfred Forchel, and Manfred Bayer  »View Author Affiliations


JOSA B, Vol. 28, Issue 6, pp. 1404-1408 (2011)
http://dx.doi.org/10.1364/JOSAB.28.001404


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Abstract

We present investigations on the coherence of the emission from the fundamental mode of an AlGaInAs/GaAs quantum-dot microcavity laser. We measure the first-order field-correlation function g ( 1 ) ( τ ) with a Michelson interferometer, from which we determine coherence times of up to 20 ns for the highest pump powers. To fully characterize the coherence properties of the cavity emission, we apply a phenomenological model that connects the first- and second-order correlation functions. Hereby it is possible to overcome the limited sensitivity of the streak camera used for photon-correlation measurements, and thus to extend the accessible excitation-power range for g ( 2 ) ( τ ) down to the thermal regime.

© 2011 Optical Society of America

OCIS Codes
(030.5290) Coherence and statistical optics : Photon statistics
(140.3948) Lasers and laser optics : Microcavity devices
(250.5590) Optoelectronics : Quantum-well, -wire and -dot devices

ToC Category:
Coherence and Statistical Optics

History
Original Manuscript: February 14, 2011
Revised Manuscript: April 13, 2011
Manuscript Accepted: April 14, 2011
Published: May 18, 2011

Citation
Jean-Sebastian Tempel, Ilya A. Akimov, Marc Aßmann, Christian Schneider, Sven Höfling, Caroline Kistner, Stephan Reitzenstein, Lukas Worschech, Alfred Forchel, and Manfred Bayer, "Extrapolation of the intensity autocorrelation function of a quantum-dot micropillar laser into the thermal emission regime," J. Opt. Soc. Am. B 28, 1404-1408 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-6-1404

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