Electrical dispersion compensation equalizers in optical long-haul coherent-detection system

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5 Scopus citations

Abstract

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 detection OOK system. The EDCs that are analyzed include decision feedback equalizer (DFE), linear equalizer (LE), 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. We also present the performances of the same EDCs for direct detection OOK system. It is shown that in coherent detection the performances of both the DFE and LE are effectively the same, whereas in direct detection the DFE is preferable.

Original languageEnglish
Title of host publicationProceedings of 2005 7th International Conference on Transparent Optical Networks, ICTON 2005
Pages80-83
Number of pages4
DOIs
StatePublished - 1 Dec 2005
Event2005 7th International Conference on Transparent Optical Networks, ICTON 2005 - Barcelona, Catalonia, Spain
Duration: 3 Jul 20057 Jul 2005

Publication series

NameProceedings of 2005 7th International Conference on Transparent Optical Networks, ICTON 2005
Volume2

Conference

Conference2005 7th International Conference on Transparent Optical Networks, ICTON 2005
Country/TerritorySpain
CityBarcelona, Catalonia
Period3/07/057/07/05

Keywords

  • DFE
  • Electrical dispersion compensation
  • Electrical equalizer
  • MLSE
  • Optical fiber communication system

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