Classical communication in the presence of quantum Gaussian noise

Jeffrey H. Shapiro; Brent J. Yen; Saikat Guha; Baris I. Erkmen

doi:10.1117/12.609331

23 May 2005 Classical communication in the presence of quantum Gaussian noise (Invited Paper)

Jeffrey H. Shapiro, Brent J. Yen, Saikat Guha, Baris I. Erkmen

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Proceedings Volume 5842, Fluctuations and Noise in Photonics and Quantum Optics III; (2005) https://doi.org/10.1117/12.609331
Event: SPIE Third International Symposium on Fluctuations and Noise, 2005, Austin, Texas, United States

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.

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Jeffrey H. Shapiro, Brent J. Yen, Saikat Guha, and Baris I. Erkmen "Classical communication in the presence of quantum Gaussian noise (Invited Paper)", Proc. SPIE 5842, Fluctuations and Noise in Photonics and Quantum Optics III, (23 May 2005); https://doi.org/10.1117/12.609331

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