Weak measurement of the arrival times of single photons and pairs of entangled photons

被引：14
|
作者：
Ahnert, SE [1 ]
Payne, MC [1 ]
机构：
[1] Univ Cambridge, Cavendish Lab, Condensed Matter Theory Grp, Cambridge CB3 0HE, England
来源：
PHYSICAL REVIEW A | 2004年 / 69卷 / 04期
关键词：
D O I：
10.1103/PhysRevA.69.042103
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper we propose a setup for the weak measurement of photon arrival time. It is found that the weak values of this arrival time can lie far away from the expectation value, and in principle also in regions forbidden by special relativity. We discuss in brief the implications of these results as well as their reconciliation with the principle of causality. Furthermore, an analysis of the weak arrival times of a pair of photons in a Bell state shows that these weak arrival times are correlated.
引用
收藏
页码：042103 / 1
页数：4
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