All linear optical quantum memory based on quantum error correction

被引：39

作者：

Gingrich, RM ^{[1
]}

Kok, P ^{[1
]}

Lee, H ^{[1
]}

Vatan, F ^{[1
]}

Dowling, JP ^{[1
]}

机构：

[1] CALTECH, Jet Prop Lab, Quantum Comp Technol Grp, Sect 367, Pasadena, CA 91109 USA

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 21期

基金：

美国国家航空航天局;

关键词：

D O I：

10.1103/PhysRevLett.91.217901

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

When photons are sent through a fiber as part of a quantum communication protocol, the error that is most difficult to correct is photon loss. Here we propose and analyze a two-to-four qubit encoding scheme, which can recover the loss of one qubit in the transmission. This device acts as a repeater, when it is placed in series to cover a distance larger than the attenuation length of the fiber, and it acts as an optical quantum memory, when it is inserted in a fiber loop. We call this dual-purpose device a "quantum transponder."

引用

页码：217901/1 / 217901/4

页数：4

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