Collective two-particle resonances induced by photon entanglement

被引：17
|
作者：
Richter, Marten [1 ,2 ]
Mukamel, Shaul [1 ]
机构：
[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA
[2] Tech Univ Berlin, Inst Theoret Phys Nichtlineare Opt & Quantenelekt, D-10623 Berlin, Germany
来源：
PHYSICAL REVIEW A | 2011年 / 83卷 / 06期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevA.83.063805
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An assembly of noninteracting atoms may become correlated upon interaction with entangled photons, and certain elements of their joint density matrix can then show collective resonances. We explore experimental signatures of these resonances in the nonlinear response of a pair of two-level atoms. We find that these resonances are canceled out in stimulated signals such as pump-probe and two-photon absorption due to the destructive interference of two-photon-absorption and emission pathways in the joint two-particle space. However, they may be observed in photon statistics (Hanbury-Brown-Twiss) measurements through the attenuation of two-time intensity correlations.
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收藏
页数：9
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