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Phys Rev Lett. 2007 Oct 12;99(15):153602. Epub 2007 Oct 10.

Ultraslow propagation of squeezed vacuum pulses with electromagnetically induced transparency.

Author information

  • 1Department of Physics, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8550, Japan.

Abstract

We have succeeded in observing ultraslow propagation of squeezed vacuum pulses with electromagnetically induced transparency. Squeezed vacuum pulses (probe lights) were incident on a laser-cooled 87Rb gas together with an intense coherent light (control light). A homodyne method sensitive to the vacuum state was employed for detecting the probe pulse passing through the gas. A delay of 3.1 micros was observed for the probe pulse having a temporal width of 10 micros.

PMID:
17995164
[PubMed]
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