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Optics Express

Optics Express

  • Editor: Martijn de Sterke
  • Vol. 16, Iss. 20 — Sep. 29, 2008
  • pp: 15728–15732

Electromagnetically induced transparency on GaAs quantum well to observe hole spin dephasing

Hoonsoo Kang, Jong Su Kim, Sung In Hwang, Young Ho Park, Do-kyeong Ko, and Jongmin Lee  »View Author Affiliations


Optics Express, Vol. 16, Issue 20, pp. 15728-15732 (2008)
http://dx.doi.org/10.1364/OE.16.015728


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Abstract

Electromagnetically induced transparency (EIT) was observed with transient optical response of exciton correlation in GaAs/AlGaAs quantum well structure. Decoherence of EIT was increased with temperature (12–60 K), which could be simulated by increasing non-radiation decay rate between coherently coupled ground states in Bloch equation for Λ type three level. The non-radiation decay was mainly due to hole spin dephasing in the system for EIT via coulomb correlation. The hole spin dephasing rate was found with increasing lattice temperature and well accorded to the past results of time resolving method with n-doping material.

© 2008 Optical Society of America

OCIS Codes
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 19, 2008
Revised Manuscript: September 15, 2008
Manuscript Accepted: September 16, 2008
Published: September 19, 2008

Citation
Hoonsoo Kang, Jong Su Kim, Sung In Hwang, Young Ho Park, Do-kyeong Ko, and Jongmin Lee, "Electromagnetically induced transparency on GaAs quantum well to observe hole spin dephasing," Opt. Express 16, 15728-15732 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-20-15728


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