期刊
OPTICS COMMUNICATIONS
卷 281, 期 19, 页码 4946-4950出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2008.06.028
关键词
quantum state sharing; optical elements; linear optical
类别
Motivated by protocols [G. Gordon, G. Rigolin, Phys. Rev. A 73 (2006) 0623161 and [N.B. An, G. Mahler, Phys. Lett. A 365 (2007) 70], we propose a linear optical protocol for quantum state sharing of polarization entangled state in terms optical elements. Our protocol can realize a near-complete quantum state sharing of polarization entangled state with arbitrary coefficients, and it is possible to achieve unity fidelity transfer of the state if the parties collaborate. This protocol can also be generalized to the multi-party system. (C) 2008 Elsevier B.V. All rights reserved.
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