Abstract
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.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 4 |
| Number of pages | 1 |
| Journal | Physical review letters |
| Volume | 92 |
| Issue number | 2 |
| DOIs | |
| State | Published - 2004 |
| Externally published | Yes |
ASJC Scopus subject areas
- General Physics and Astronomy