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Abstract:
We propose a feasible and efficient scheme to complete hyperentanglement-assisted multi-photon Greenberger-Horne-Zeilinger (GHZ) states analysis with the quantum nondemolition detectors (QNDs). Firstly, we unambiguously distinguish the two-photon Bell states and three-photon GHZ states in polarization degree of freedom (DOF) assisted with the frequency DOF. Then, we show that the scheme can be extended to the N-photon (N>3) GHZ states in polarization DOF analysis, and moreover, the entanglement in polarization DOF is not disturbed by our operations. All these advantages make this scheme more meaningful in quantum information processing. (C) 2014 Elsevier B.V. All rights reserved.
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Source :
OPTICS COMMUNICATIONS
ISSN: 0030-4018
Year: 2014
Volume: 317
Page: 102-106
1 . 4 4 9
JCR@2014
2 . 2 0 0
JCR@2023
ESI Discipline: PHYSICS;
ESI HC Threshold:213
JCR Journal Grade:3
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 13
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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