Slow light using spin coherence and V-type electromagnetically induced transparency in [110] strained quantum wells
JOSA B, Vol. 24, Issue 4, pp. 849-859 (2007)
http://dx.doi.org/10.1364/JOSAB.24.000849
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Abstract
We model the slow-light phenomenon using electromagnetically induced transparency from spin coherence in [110] quantum wells. The long electron-spin lifetime in [110] quantum wells and the strain-induced shift of the light-hole-like excitonic transition energy below those of the heavy-hole-like continuum states can enhance the performance of slow light. The optical anisotropy due to band mixing and strain in [110] quantum wells is properly taken into consideration. By using light-hole-like excitons, the delay of a probe light with TM polarization in an optical waveguide controllable by an intense pump is made possible with the aid of long spin coherence.
© 2007 Optical Society of America
OCIS Codes
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(270.1670) Quantum optics : Coherent optical effects
ToC Category:
Nonlinear Optics
History
Original Manuscript: September 14, 2006
Revised Manuscript: November 22, 2006
Manuscript Accepted: November 28, 2006
Published: March 15, 2007
Citation
Shu-Wei Chang, Shun Lien Chuang, Connie J. Chang-Hasnain, and Hailin Wang, "Slow light using spin coherence and V-type electromagnetically induced transparency in [110] strained quantum wells," J. Opt. Soc. Am. B 24, 849-859 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-4-849
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