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http://dx.doi.org/10.3807/JOSK.2014.18.2.124

Joint Probability Density Functions for Direct-Detection Optical Receivers  

Lee, Jae Seung (Department of Electronic Engineering, Kwangwoon University)
Publication Information
Journal of the Optical Society of Korea / v.18, no.2, 2014 , pp. 124-128 More about this Journal
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.
Keywords
Optical communication; Optical receivers; Optical amplifiers; Gaussian optical receiver;
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Times Cited By KSCI : 2  (Citation Analysis)
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