Teleportation of a vacuum-one-photon qubit

被引：193

作者：

Lombardi, E

Sciarrino, F

Popescu, S

De Martini, F

机构：

[1] Univ Roma La Sapienza, Dipartimento Fis, Ist Nazl Fis Mat, I-00185 Rome, Italy

[2] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TH, Avon, England

[3] Hewlett Packard Labs, Bristol BS12 6QZ, Avon, England

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.88.070402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the experimental realization of teleporting a one-particle entangled qubit. The qubit is physically implemented by a two-dimensional subspace of states of a mode of the electromagnetic field, specifically, the space spanned by the vacuum and the one-photon state. Our experiment follows the line suggested by Lee and Kim [Phys. Rev. A 63, 012305 (2000)] and Knill, Laflamme, and Milburn [Nature (London) 409, 46 (2001)]. An unprecedented large value of the teleportation "fidelity" has been attained: F = (95.3 +/- 0.6)%.

引用

页数：4

共 17 条

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