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.