Linear optical scheme for entanglement concentration of two
partially entangled three-photon ${\sf W}$ states |
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| Authors: | H F Wang S Zhang and K H Yeon |
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| Institution: | (1) Department of Mathematics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3250, USA;(2) Department of Mathematical Sciences, Florida State University, Tallahassee, FL 32306, USA |
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| Abstract: | We propose a practical scheme for concentrating entanglement in a
pair of unknown partially entangled three-photon W states with
only linear optics and photon detectors. In the scheme, Alice, Bob,
and Charlie at three distant parties can obtain one maximally
entangled three-photon W state with a certain success probability
from two identical partially entangled three-photon W states by
local operations and classical communication. The proposed setup is
very simple, which greatly simplifies the experimental realization
of the scheme. |
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| Keywords: | |
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