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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. 26, Iss. 12 — Dec. 1, 2009
  • pp: 2308–2314

Active feedback of a Fabry-Perot cavity to the emission of a single InAs/GaAs quantum dot

Michael Metcalfe, Andreas Muller, Glenn S. Solomon, and John Lawall  »View Author Affiliations


JOSA B, Vol. 26, Issue 12, pp. 2308-2314 (2009)
http://dx.doi.org/10.1364/JOSAB.26.002308


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Abstract

We present a detailed study of the use of Fabry-Perot (FP) cavities for the spectroscopy of single InAs quantum dots (QDs). We derive optimal cavity characteristics and resolution limits and measure photoluminescence linewidths as low as 0.9 GHz. By embedding the QDs in a planar cavity, we obtain a sufficiently large signal to actively feed back on the length of the FP to lock to the emission of a single QD with a stability below 2% of the QD linewidth. An integration time of approximately two seconds is found to yield an optimum compromise between shot noise and cavity length fluctuations.

© 2009 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(230.5590) Optical devices : Quantum-well, -wire and -dot devices

ToC Category:
Optical Devices

History
Original Manuscript: September 8, 2009
Manuscript Accepted: October 5, 2009
Published: November 16, 2009

Citation
Michael Metcalfe, Andreas Muller, Glenn S. Solomon, and John Lawall, "Active feedback of a Fabry-Perot cavity to the emission of a single InAs/GaAs quantum dot," J. Opt. Soc. Am. B 26, 2308-2314 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-12-2308

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