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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 12 — Jun. 7, 2010
  • pp: 13301–13308

Emission polarization control in semiconductor quantum dots coupled to a photonic crystal microcavity

E. Gallardo, L. J. Martínez, A. K. Nowak, H. P. van der Meulen, J. M. Calleja, C. Tejedor, I. Prieto, D. Granados, A. G. Taboada, J. M. García, and P. A. Postigo  »View Author Affiliations

Optics Express, Vol. 18, Issue 12, pp. 13301-13308 (2010)

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We study the optical emission of single semiconductor quantum dots weakly coupled to a photonic-crystal micro-cavity. The linearly polarized emission of a selected quantum dot changes continuously its polarization angle, from nearly perpendicular to the cavity mode polarization at large detuning, to parallel at zero detuning, and reversing sign for negative detuning. The linear polarization rotation is qualitatively interpreted in terms of the detuning dependent mixing of the quantum dot and cavity states. The present result is relevant to achieve continuous control of the linear polarization in single photon emitters.

© 2010 OSA

OCIS Codes
(160.4760) Materials : Optical properties
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(230.5298) Optical devices : Photonic crystals

ToC Category:
Optical Devices

Original Manuscript: April 23, 2010
Revised Manuscript: May 28, 2010
Manuscript Accepted: June 2, 2010
Published: June 4, 2010

E. Gallardo, L. J. Martínez, A. K. Nowak, H. P. van der Meulen, J. M. Calleja, C. Tejedor, I. Prieto, D. Granados, A. G. Taboada, J. M. García, and P. A. Postigo, "Emission polarization control in semiconductor quantum dots coupled to a photonic crystal microcavity," Opt. Express 18, 13301-13308 (2010)

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