Heralded single-photon partial coherence

被引：3
|
作者：
Ben Dixon, P. [1 ]
Howland, Gregory [1 ]
Malik, Mehul [2 ]
Starling, David J. [1 ]
Boyd, R. W. [1 ,2 ]
Howell, John C. [1 ]
机构：
[1] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
[2] Univ Rochester, Inst Opt, Rochester, NY 14627 USA
来源：
PHYSICAL REVIEW A | 2010年 / 82卷 / 02期
关键词：
DOUBLE-SLIT EXPERIMENTS; GHOST INTERFERENCE; IMAGES;
D O I：
10.1103/PhysRevA.82.023801
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We study transverse spatial coherence of approximately localized single-photon states. We demonstrate nonlocal control over single-photon spatial coherence via projective measurements of an entangled twin and provide a theoretical interpretation from quantum coherence theory. Our results show that the spatial coherence of a single-photon state behaves similarly to that of a classical optical field, although the coincidence measurement adds a degree of freedom.
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页数：4
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