Classical Capacity of the Lossy Bosonic Channel: The Exact Solution 论文

2004Physical Review Letters引用 346
Quantum Information and CryptographyQuantum Mechanics and ApplicationsQuantum Computing Algorithms and Architecture

详细信息

发表期刊/会议
Physical Review Letters
发表日期
2004-01-15
发表年份
2004

关键词

Quantum Information and CryptographyQuantum Mechanics and ApplicationsQuantum Computing Algorithms and Architecture

摘要

The classical capacity of the lossy bosonic channel is calculated exactly. It is shown that its Holevo information is not superadditive, and that a coherent-state encoding achieves capacity. The capacity of far-field, free-space optical communications is given as an example.