Multipartite entanglement for continuous variables: A quantum teleportation network

被引：494

作者：

van Loock, P ^{[1
]}

Braunstein, SL ^{[1
]}

机构：

[1] Univ Wales, Sch Informat, Quantum Opt & Informat Grp, Bangor LL57 1UT, Gwynedd, Wales

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.84.3482

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that one single-mode squeezed state distributed among N parties using linear optics suffices to produce a truly N-partite entangled state for any nonzero squeezing and arbitrarily many parties. From this N-partite entangled state, via quadrature measurements of N - 2 modes, bipartite entanglement between any two of the N parties can be "distilled," which enables quantum teleportation with an experimentally determinable fidelity better than could be achieved in any classical scheme.

引用

页码：3482 / 3485

页数：4

共 22 条

[1] A QUANTUM CHARACTERIZATION OF CLASSICAL RADIATION [J].

AHARONOV, Y ;

FALKOFF, D ;

LERNER, E ;

PENDLETON, H .

ANNALS OF PHYSICS, 1966, 39 (03) :498-+

[2] TELEPORTING AN UNKNOWN QUANTUM STATE VIA DUAL CLASSICAL AND EINSTEIN-PODOLSKY-ROSEN CHANNELS [J].

BENNETT, CH ;

BRASSARD, G ;

CREPEAU, C ;

JOZSA, R ;

PERES, A ;

WOOTTERS, WK .

PHYSICAL REVIEW LETTERS, 1993, 70 (13) :1895-1899

[3] Concentrating partial entanglement by local operations [J].

Bennett, CH ;

Bernstein, HJ ;

Popescu, S ;

Schumacher, B .

PHYSICAL REVIEW A, 1996, 53 (04) :2046-2052

[4] Observation of three-photon Greenberger-Horne-Zeilinger entanglement [J].

Bouwmeester, D ;

Pan, JW ;

Daniell, M ;

Weinfurter, H ;

Zeilinger, A .

PHYSICAL REVIEW LETTERS, 1999, 82 (07) :1345-1349

[5]

Brassard G, 1999, LECT NOTES COMPUT SC, V1509, P1

[6] Criteria for continuous-variable quantum teleportation [J].

Braunstein, SL ;

Fuchs, CA ;

Kimble, HJ .

JOURNAL OF MODERN OPTICS, 2000, 47 (2-3) :267-278

[7] Quantum error correction for communication with linear optics [J].

Braunstein, SL .

NATURE, 1998, 394 (6688) :47-49

[8] Teleportation of continuous quantum variables [J].

Braunstein, SL ;

Kimble, HJ .

PHYSICAL REVIEW LETTERS, 1998, 80 (04) :869-872

[9]

DUAN LM, IN PRESS PHYS REV LE

[10] Can quantum-mechanical description of physical reality be considered complete? [J].

Einstein, A ;

Podolsky, B ;

Rosen, N .

PHYSICAL REVIEW, 1935, 47 (10) :0777-0780

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