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Manipulation of squeezed state in electromagnetically induced transparency system via dynamic Stark effect |
JOSA B, Vol. 29, Issue 11, pp. 3177-3182 (2012)
http://dx.doi.org/10.1364/JOSAB.29.003177
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Abstract
We calculate the delay time and noise spectrum of a squeezed state throughout an electromagnetically induced transparency medium with dynamic Stark splitting. It is shown that the noise spectrum splits into two parts with the same delay time, so that the delayed squeezing can survive well in two channels. Furthermore, we show that the two squeezing channels as well as the delay time can be manipulated via one-photon detuning and detection frequency such that the quantum state with high delay time and squeezing can be well preserved. This avoids the influence of large noise from laser near zero detection frequency.
© 2012 Optical Society of America
OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.6570) Quantum optics : Squeezed states
ToC Category:
Atomic and Molecular Physics
History
Original Manuscript: July 30, 2012
Revised Manuscript: September 25, 2012
Manuscript Accepted: September 30, 2012
Published: October 30, 2012
Citation
Yuan Li, Zhonghua Li, Dan Wang, Jiangrui Gao, and Junxiang Zhang, "Manipulation of squeezed state in electromagnetically induced transparency system via dynamic Stark effect," J. Opt. Soc. Am. B 29, 3177-3182 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-11-3177
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