Nondestructive Greenberger-Horne-Zeilinger-state analyzer

被引：0
|
作者：
Xin-Wen Wang
Deng-Yu Zhang
Shi-Qing Tang
Li-Jun Xie
机构：
[1] Hunan Normal University,Key Laboratory of Low
[2] Hengyang Normal University,Dimensional Quantum Structures and Quantum Control of Ministry of Education and Department of Physics
来源：
Quantum Information Processing | 2013年 / 12卷
关键词：
Nondestructive GHZ-state analyzer; Parity gate; Photonic qubit; Weak cross-Kerr nonlinearity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose a method to construct a nondestructive n-qubit Greenberger– Horne–Zeilinger (GHZ)-state analyzer. The method is applied to any systems in which two-qubit parity gates, controlled-phase gates, or controlled-NOT gates can be realized. We also present a simplified two-photon parity gate with which a nondestructive n-photon GHZ-state analyzer could be largely simplified. The nondestructive GHZ-state analyzer is expected to find useful applications for economical quantum-information processing.
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页码：1065 / 1075
页数：10
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