Nondestructive greenberger-horne-zeilinger-state analyzer
XW Wang, DY Zhang, SQ Tang, LJ Xie - Quantum information processing, 2013 - Springer
XW Wang, DY Zhang, SQ Tang, LJ Xie
Quantum information processing, 2013•SpringerWe 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.
(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.
Abstract
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.
Springer
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