Storage and retrieval of a squeezed vacuum |
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| Authors: | Honda Kazuhito Akamatsu Daisuke Arikawa Manabu Yokoi Yoshihiko Akiba Keiichirou Nagatsuka Satoshi Tanimura Takahito Furusawa Akira Kozuma Mikio |
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| Affiliation: | Interactive Research Center of Science, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8550, Japan. |
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| Abstract: | Storage and retrieval of a squeezed vacuum was successfully demonstrated using electromagnetically induced transparency. The squeezed vacuum pulse having a temporal width of 930 ns was incident on the laser cooled 87Rb atoms with an intense control light in a coherent state. When the squeezed vacuum pulse was slowed and spatially compressed in the cold atoms, the control light was switched off. After 3 mus of storage, the control light was switched on again, and the squeezed vacuum was retrieved, as was confirmed using the time-domain homodyne method. |
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