Classical Capacity of the Lossy Bosonic Channel: The Exact Solution

V. Giovannetti, S. Guha, S. Lloyd, L. Maccone, J. H. Shapiro, H. P. Yuen

Research output: Contribution to journalArticlepeer-review

279 Scopus citations


The classical capacity of the lossy bosonic channel was investigated. It was shown that its Holevo information is not superadditive. It was also found that quantum features of the signals such as entanglement are not required to achieve the required capacity. The capacity of the far-field, free-space optical communication system was also discussed.

Original languageEnglish (US)
Article number027902
Pages (from-to)279021-279024
Number of pages4
JournalPhysical review letters
Issue number2
StatePublished - Jan 16 2004
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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