Single photons on pseudodemand from stored parametric down-conversion

被引:173
|
作者
Pittman, TB [1 ]
Jacobs, BC [1 ]
Franson, JD [1 ]
机构
[1] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA
来源
PHYSICAL REVIEW A | 2002年 / 66卷 / 04期
关键词
D O I
10.1103/PhysRevA.66.042303
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We describe the results of a parametric down-conversion experiment in which the detection of one photon of a pair causes the other photon to be switched into a storage loop. The stored photon can then be switched out of the loop at a later time chosen by the user, providing a single photon for potential use in a variety of quantum information processing applications. Although the stored single photon is only available at periodic time intervals, those times can be chosen to match the cycle time of a quantum computer by using pulsed down-conversion. The potential use of the storage loop as a photonic quantum memory device is also discussed.
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页数:7
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