Effects of fiber impairments on constellation diagrams of optical phase modulated signals

Vahid R. Arbab; Poorya Saghari

doi:10.1117/1.OE.51.4.045008

30 April 2012 Effects of fiber impairments on constellation diagrams of optical phase modulated signals

Vahid R. Arbab, Poorya Saghari

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Optical Engineering, Vol. 51, Issue 4, 045008 (April 2012). https://doi.org/10.1117/1.OE.51.4.045008

Abstract

The effects of chromatic dispersion (CD) and first order polarization mode dispersion (PMD) on constellation diagrams of phase modulated signals are investigated via simulation and different methods to visualize these effects are presented. It is shown that constellation diagrams of (D)QPSK signals sampled by an asynchronous receiver can be used to simultaneously monitor CD and first order PMD. The amount of accumulated impairments can be estimated by quantifying certain deformations in patterns of constellation diagrams.

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Vahid R. Arbab and Poorya Saghari "Effects of fiber impairments on constellation diagrams of optical phase modulated signals," Optical Engineering 51(4), 045008 (30 April 2012). https://doi.org/10.1117/1.OE.51.4.045008

Published: 30 April 2012

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KEYWORDS

Modulation

Eye

Continuous wave operation

Dispersion

Optical engineering

Polarization

Transient nonlinear optics

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