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Title: Quantum entanglement distribution with hybrid parity gate
Authors: Mei, F.
Yu, Y.-F.
Feng, X.-L. 
Zhang, Z.-M. 
Oh, C.H. 
Issue Date: 2010
Citation: Mei, F., Yu, Y.-F., Feng, X.-L., Zhang, Z.-M., Oh, C.H. (2010). Quantum entanglement distribution with hybrid parity gate. Physical Review A - Atomic, Molecular, and Optical Physics 82 (5) : -. ScholarBank@NUS Repository.
Abstract: We propose a scheme for entanglement distribution among different single atoms trapped in separated cavities. In our scheme, by reflecting an input coherent optical pulse from a cavity with a single trapped atom, a controlled phase-shift gate between the atom and the coherent optical pulse is achieved. Based on this gate and homodyne detection, we construct an n-qubit parity gate and show its use for the distribution of a large class of entangled states in one shot, including the GHZ state {box drawings light vertical}GHZ n〉, W state {box drawings light vertical}W n〉, Dicke state {box drawings light vertical}D n,k〉, and certain sums of Dicke states {box drawings light vertical}G n,k〉. We also show that such a distribution could be performed with high success probability and high fidelity even in the presence of channel loss. ©2010 The American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
ISSN: 10502947
DOI: 10.1103/PhysRevA.82.052315
Appears in Collections:Staff Publications

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