Electrical Dispersion Compensation Equalizers in Optical Direct- and Coherent-Detection Systems

We study the performances of several electrical dispersion compensation (EDC) equalizers in the presence of chromatic dispersion (CD) and polarization mode dispersion (PMD) for optical coherent and direct detection on-off keying systems. The EDCs that are analyzed include the decision-feedback equal...

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Veröffentlicht in:	IEEE transactions on communications 2006-11, Vol.54 (11), p.2045-2050
Hauptverfasser:	Katz, G., Sadot, D., Tabrikian, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Coherence Compact disks Compensation Decision feedback equalizers Decision-feedback equalizer (DFE) Detection, estimation, filtering, equalization, prediction Dispersions electrical dispersion compensation (EDC) electrical equalizer (EE) Equalizers Estimators Exact sciences and technology Information, signal and communications theory Intersymbol interference Maximum likelihood estimation maximum-likelihood sequence estimator (MLSE) Nonlinear optics optical fiber communication system Optical fiber communications Optical fiber dispersion Optical filters Optical receivers Optical telecommunications Performance analysis Polarization mode dispersion Quantitative analysis Signal and communications theory Signal, noise Stimulated emission Telecommunications Telecommunications and information theory
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Beschreibung
Zusammenfassung:	We study the performances of several electrical dispersion compensation (EDC) equalizers in the presence of chromatic dispersion (CD) and polarization mode dispersion (PMD) for optical coherent and direct detection on-off keying systems. The EDCs that are analyzed include the decision-feedback equalizer, linear equalizer, and maximum-likelihood sequence estimator (MLSE). We present an inclusive quantitative analysis of the performance difference between the various techniques. The MLSE gives a good indication of the best possible performance
ISSN:	0090-6778 1558-0857
DOI:	10.1109/TCOMM.2006.884846