期刊
OPTICS COMMUNICATIONS
卷 259, 期 1, 页码 385-388出版社
ELSEVIER
DOI: 10.1016/j.optcom.2005.08.024
关键词
teleportation; entanglement concentration; partially entangled state; generalized measurement
类别
We present an explicit protocol for deterministic exact teleportation via two partially entangled pairs of particles. The protocol consists of a local generalized measurement described by a positive operator-valued measure, one-way classical communication, and a corresponding local unitary operation. We find the required generalized measurement, which can experimentally be realized by performing a unitary operation in the extended space and a conventional orthogonal measurement. A simple protocol for deterministic entanglement concentration is also obtained. (c) 2005 Elsevier B.V. All rights reserved.
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