Nondestructive Greenberger-Horne-Zeilinger-state analyzer

Nondestructive Greenberger-Horne-Zeilinger-state analyzer 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. Quantum Information Processing Springer Journals

Nondestructive Greenberger-Horne-Zeilinger-state analyzer

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Springer US
Copyright © 2012 by Springer Science+Business Media, LLC
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
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