Generation of phase-coherent states

被引：8
|
作者：
D'Ariano, GM [1 ]
Paris, MGA [1 ]
Sacchi, MF [1 ]
机构：
[1] Univ Pavia, Dipartimento Fis A Volta, Theoret Quantum Opt Grp, INFM, I-27100 Pavia, Italy
来源：
PHYSICAL REVIEW A | 1998年 / 57卷 / 06期
关键词：
D O I：
10.1103/PhysRevA.57.4894
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An interaction scheme involving nonlinear chi((2)) media is suggested for the generation of phase-coherent states (PCSs). The setup is based on parametric amplification of the vacuum followed by up-conversion of the resulting twin beam. The involved nonlinear interactions are studied by the exact numerical diagonalization. An experimentally achievable working regime to approximate PCSs with a high conversion rate is given and the validity of the parametric approximation is discussed.
引用
收藏
页码：4894 / 4898
页数：5
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