Macroscopic quantum superposition by amplification of entangled states

被引：0
|
作者：
Di Giuseppe, G [1 ]
De Martini, F [1 ]
机构：
[1] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
来源：
QUANTUM COMMUNICATION, COMPUTING, AND MEASUREMENT 3 | 2001年
关键词：
D O I：
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中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel phase sensitive amplifier/squeezer of entangled two-photon states is adopted to demonstrate the first realization of an all optical multiphoton Schroedinger-Cat state with a large, virtually infinite, signal-to-noise ratio. Because of its intrinsic nonlocal structure the new system is expected to play a relevant role in quantum information and in the basic physics of entanglement.
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页码：343 / 350
页数：8
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