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Proceedings Paper

Classical communication in the presence of quantum Gaussian noise (Invited Paper)
Author(s): Jeffrey H. Shapiro; Brent J. Yen; Saikat Guha; Baris I. Erkmen
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Paper Abstract

The classical information capacity of channels that are subject to quantum Gaussian noise is studied. Recent work has established the capacity of the pure-loss channel, as well as bounds on and a conjecture for the capacity of the lossy channel with isotropic-Gaussian excess noise. This work is applied to the pure-loss free-space channel that uses multiple Hermite-Gaussian (HG) or Laguerre-Gaussian (LG) spatial modes to communicate between soft-aperture transmit and receive pupils, and to the lossy channel with anisotropic (colored) Gaussian noise.

Paper Details

Date Published: 23 May 2005
PDF: 11 pages
Proc. SPIE 5842, Fluctuations and Noise in Photonics and Quantum Optics III, (23 May 2005); doi: 10.1117/12.609331
Show Author Affiliations
Jeffrey H. Shapiro, Massachusetts Institute of Technology (United States)
Brent J. Yen, Princeton Univ. (United States)
Saikat Guha, Massachusetts Institute of Technology (United States)
Baris I. Erkmen, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 5842:
Fluctuations and Noise in Photonics and Quantum Optics III
Philip R. Hemmer; Julio R. Gea-Banacloche; Peter Heszler; M. Suhail Zubairy, Editor(s)

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