Quantum correlations in dual quantum measurements

被引：0
|
作者：
Anders Karlsson
Gunnar Björk
机构：
[1] Laboratory of Photonics and Microwave Engineering,
[2] Department of Electronics,undefined
[3] Royal Institute of Technology (KTH) Electrum 229,undefined
[4] 164 40 Kista,undefined
[5] Sweden,undefined
来源：
Applied Physics B | 1997年 / 64卷
关键词：
PACS: 42.50.Lc; 42.50.Dv; 03.65.B;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
 We analyze the quantum measurement properties of dual non-degenerate parametric amplifers in the twin-beam configuration, in the cascaded back-action-evasion configuration, and in Kerr-type photon-number quantum non-demolition measurements. It is found that Einstein-Podolsky-Rosen correlations can be obtained between the quadrature components of an idler mode and the sum of the readout of two signal modes. Furthermore, we discuss dual-mode quantum non-demolition measurements on the combination of two light modes, and the generation of number-state entanglement.
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页码：235 / 241
页数：6
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