Tomographic measurement of joint photon statistics of the twin-beam quantum state

被引:89
作者
Vasilyev, M [1 ]
Choi, SK [1 ]
Kumar, P [1 ]
D'Ariano, GM [1 ]
机构
[1] Northwestern Univ, Dept Elect & Comp Engn, Evanston, IL 60208 USA
关键词
D O I
10.1103/PhysRevLett.84.2354
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report the first measurement of the joint photon-number probability distribution for a two-mode quantum state created by a nondegenerate optical parametric amplifier. The measured distributions exhibit up to 1.9 dB of quantum correlation between the signal and idler photon numbers, whereas the marginal distributions are thermal as expected for parametric fluorescence.
引用
收藏
页码:2354 / 2357
页数:4
相关论文
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