Tunable spatial decoherers for polarization-entangled photons

被引：16
|
作者：
Puentes, Graciana [1 ]
Voigt, Dirk [1 ]
Aiello, Andrea [1 ]
Woerdman, J. P. [1 ]
机构：
[1] Leiden Univ, Huygens Lab, NL-2300 RA Leiden, Netherlands
来源：
OPTICS LETTERS | 2006年 / 31卷 / 13期
关键词：
D O I：
10.1364/OL.31.002057
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a novel controllable source of spatial decoherence for twin photons, based upon commercially available wedge depolarizers. This allows us to convert the polarization-entangled singlet state into a tunable mixed state. A full characterization of this mixed state, by means of quantum tomography, shows that such a spatial decoherer can be used for synthesizing Werner-like states on demand. (c) 2006 Optical Society of America.
引用
收藏
页码：2057 / 2059
页数：3
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