Macroscopically distinct quantum-superposition states as a bosonic code for amplitude damping

被引：360

作者：

Cochrane, PT ^{[1
]}

Milburn, GJ ^{[1
]}

Munro, WJ ^{[1
]}

机构：

[1] Univ Queensland, Dept Phys, St Lucia, Qld 4072, Australia

来源：

PHYSICAL REVIEW A | 1999年 / 59卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.59.2631

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show how macroscopically distinct quantum superposition states (Schrodinger cat states) may be used as logical qubit encodings for the correction of spontaneous emission errors. Spontaneous emission causes a bit flip error, which is easily corrected by a standard error correction circuit. The method works arbitrarily well as the distance between the amplitudes of the superposed coherent states increases. [S1050-2947(99)06503-8].

引用

页码：2631 / 2634

页数：4

共 40 条

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