Deterministic generation of single photons from one atom trapped in a cavity

被引:543
作者
McKeever, J [1 ]
Boca, A [1 ]
Boozer, AD [1 ]
Miller, R [1 ]
Buck, JR [1 ]
Kuzmich, A [1 ]
Kimble, HJ [1 ]
机构
[1] CALTECH, Norman Bridge Lab Phys 12 33, Pasadena, CA 91125 USA
关键词
D O I
10.1126/science.1095232
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A single cesium atom trapped within the mode of an optical cavity is used to generate single photons on demand. The photon wave packets are emitted as a Gaussian beam with temporal pro. le and repetition rate controlled by external driving fields. Each generation attempt is inferred to succeed with a probability near unity, whereas the efficiency for creating an unpolarized photon in the total cavity output is 0.69 +/- 0.10, as limited by passive cavity losses. An average of 1.4 x 10(4) photons are produced by each trapped atom. These results constitute an important step in quantum information science, for example, toward the realization of distributed quantum networking.
引用
收藏
页码:1992 / 1994
页数:3
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