Identifying various impairments of optical channels using amplitude histogram

Dan Ye; Wen-De Zhong

doi:10.1117/1.2816417

1 December 2007 Identifying various impairments of optical channels using amplitude histogram

Dan Ye, Wen-De Zhong

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Optical Engineering, Vol. 46, Issue 12, 125002 (December 2007). https://doi.org/10.1117/1.2816417

Abstract

Identifying various impairments is critically important in optical channel monitoring. We present a new approach for analyzing and characterizing the amplitude histogram of optical signals. This new approach is based on the X² distance, which was originally used in digital image processing. To effectively distinguish various impairments, we introduce two different metrics: (1) the difference between the X² distance of the mark histogram and the X² distance of the space histogram, and (2) the asymmetry property of the mark and space histograms. Using these two metrics together, we show by simulation that three major impairments, namely, inband crosstalk, amplified spontaneous emission (ASE) noise, and chromatic dispersion can be effectively identified.

©(2007) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Dan Ye and Wen-De Zhong "Identifying various impairments of optical channels using amplitude histogram," Optical Engineering 46(12), 125002 (1 December 2007). https://doi.org/10.1117/1.2816417

Published: 1 December 2007

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KEYWORDS

Channel projecting optics

Dispersion

Interference (communication)

Optical engineering

Signal detection

Binary data

Digital image processing

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