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 journalArticle

2 Scopus citations

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 languageEnglish (US)
Number of pages1
JournalPhysical review letters
Volume92
Issue number2
DOIs
StatePublished - Jan 1 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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