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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 18, Iss. 2 — Apr. 1, 2014
  • pp: 124–128

Joint Probability Density Functions for Direct-Detection Optical Receivers

Jae Seung Lee  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 18, Issue 2, pp. 124-128 (2014)


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Abstract

We derive joint probability density functions (JPDFs) for two adjacent data from direct-detection optical receivers in dense wavelength-division multiplexing systems. We show that the decision using two data per bit can increase the receiver sensitivity compared with the conventional decision. Our JPDFs can be used for software-defined optical receivers enhancing the receiver sensitivities for intensity-modulated channels.

© 2014 Optical Society of Korea

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.4510) Fiber optics and optical communications : Optical communications

History
Original Manuscript: February 11, 2014
Revised Manuscript: March 21, 2014
Manuscript Accepted: March 21, 2014
Published: April 25, 2014

Citation
Jae Seung Lee, "Joint Probability Density Functions for Direct-Detection Optical Receivers," J. Opt. Soc. Korea 18, 124-128 (2014)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-18-2-124


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