Classical Capacity of the Lossy Bosonic Channel: The Exact Solution

V. Giovannetti, S. Guha, S. Lloyd, L. Maccone, J. H. Shapiro, and H. P. Yuen
Phys. Rev. Lett. 92, 027902 – Published 15 January 2004

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.

  • Figure
  • Figure
  • Received 6 August 2003

DOI:https://doi.org/10.1103/PhysRevLett.92.027902

©2004 American Physical Society

Authors & Affiliations

V. Giovannetti1, S. Guha1, S. Lloyd1,2, L. Maccone1, J. H. Shapiro1, and H. P. Yuen3

  • 1Massachusetts Institute of Technology–Research Laboratory of Electronics, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139-4307, USA
  • 2Massachusetts Institute of Technology–Department of Mechanical Engineering, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139-4307, USA
  • 3Northwestern University–Department of Electrical and Computer Engineering, 2145 North Sheridan Road, Evanston, Illinois 60208-3118, USA

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 92, Iss. 2 — 16 January 2004

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Letters

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×