Approximation of single-photon states by postselection from correlated pairs

被引：0
|
作者：
Haderka, O [1 ]
Perina, J [1 ]
机构：
[1] Palacky Univ, Joint Lab Opt, Olomouc 77200, Czech Republic
来源：
DECOHERENCE AND ITS IMPLICATIONS IN QUANTUM COMPUTATION AND INFORMATION TRANSFER | 2001年 / 182卷
关键词：
D O I：
暂无
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The possibility to produce single-photon states by selection from entangled pairs obtained by parametric frequency down-conversion is suggested and the efficiency of the, procedure is analyzed. A realistic model of such device is developed. The principle of the selection mechanism is clarified. It is shown that, taking into account unavoidable physical noises, it is very difficult to use this device for the fabrication of photon-number squeezed states. To achieve considerable squeezing, high degree of correlation and high mean photon numbers of the correlated photon pairs are necessary.
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页码：186 / 196
页数：11
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