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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 13 — Jul. 1, 2004
  • pp: 1473–1475

Accurate sensitivity in optically preamplified direct detection

Paolo Martelli, Silvia M. Pietralunga, Dario Nicodemi, and Mario Martinelli  »View Author Affiliations


Optics Letters, Vol. 29, Issue 13, pp. 1473-1475 (2004)
http://dx.doi.org/10.1364/OL.29.001473


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Abstract

We present a novel model for calculating the bit error rate in optical communication systems in the case of on–off keying intensity modulation and optically preamplified direct detection. The model accounts for the intersymbol interference and is based on the Laguerre photon-count probability distribution predicted by photodetection theory. For a non-return-to-zero modulation format an accurate value of the sensitivity for a quantum-limited receiver of 33.9 photons/bit is obtained.

© 2004 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(270.5290) Quantum optics : Photon statistics

Citation
Paolo Martelli, Silvia M. Pietralunga, Dario Nicodemi, and Mario Martinelli, "Accurate sensitivity in optically preamplified direct detection," Opt. Lett. 29, 1473-1475 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-13-1473

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