Information losses in continuous-variable quantum teleportation

被引：21

作者：

Hofmann, HF

Ide, T

Kobayashi, T

Furusawa, A

机构：

[1] Hokkaido Univ, Res Inst Elect Sci, JST, CREST,Kita Ku, Sapporo, Hokkaido 0600018, Japan

[2] Univ Tokyo, Fac Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan

[3] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

来源：

PHYSICAL REVIEW A | 2001年 / 64卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.64.040301

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

It is shown that the information losses due to the limited fidelity of continuous variable quantum teleportation are equivalent to the losses induced by a beam splitter of appropriate reflectivity.

引用

页码：403011 / 403014

页数：4

共 12 条

[1] 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

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

Braunstein, SL ;

Kimble, HJ .

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

[3] Unconditional quantum teleportation [J].

Furusawa, A ;

Sorensen, JL ;

Braunstein, SL ;

Fuchs, CA ;

Kimble, HJ ;

Polzik, ES .

SCIENCE, 1998, 282 (5389) :706-709

[4] Fidelity and information in the quantum teleportation of continuous variables [J].

Hofmann, HF ;

Ide, T ;

Kobayashi, T ;

Furusawa, A .

PHYSICAL REVIEW A, 2000, 62 (06) :062304-062301

[5] Noiseless signal amplification using positive electro-optic feedforward [J].

Lam, PK ;

Ralph, TC ;

Huntington, EH ;

Bachor, HA .

PHYSICAL REVIEW LETTERS, 1997, 79 (08) :1471-1474

[6] REALIZATION OF THE EINSTEIN-PODOLSKY-ROSEN PARADOX FOR CONTINUOUS-VARIABLES [J].

OU, ZY ;

PEREIRA, SF ;

KIMBLE, HJ ;

PENG, KC .

PHYSICAL REVIEW LETTERS, 1992, 68 (25) :3663-3666

[7] Continuous variable entanglement swapping [J].

Polkinghorne, RES ;

Ralph, TC .

PHYSICAL REVIEW LETTERS, 1999, 83 (11) :2095-2099

[8] Characterizing teleportation in optics [J].

Ralph, TC ;

Lam, PK ;

Polkinghorne, RES .

JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS, 1999, 1 (04) :483-489

[9] Security of continuous-variable quantum cryptography [J].

Ralph, TC .

PHYSICAL REVIEW A, 2000, 62 (06) :062306-062301

[10] DEMONSTRATION OF THE EINSTEIN-PODOLSKY-ROSEN PARADOX USING NONDEGENERATE PARAMETRIC AMPLIFICATION [J].

REID, MD .

PHYSICAL REVIEW A, 1989, 40 (02) :913-923

← 1 2 →