Challenges to FDM-QAM coherent transmission with ultrahigh spectral efficiency

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    20 Citations (Scopus)

    Abstract

    I describe recent progress on 1 Gsymbol/s, FDM (Frequency Division Multiplexed)-QAM coherent transmission experiments by using heterodyne detection with a frequency-stabilized laser and an optical phase-locked loop technique. The spectral efficiency reached as high as 10 bit/s/Hz with polarization- multiplexed 128 QAM transmission.

    Original languageEnglish
    DOIs
    Publication statusPublished - 2008
    Event2008 34th European Conference on Optical Communication, ECOC 2008 - Brussels, Belgium
    Duration: 2008 Sept 212008 Sept 25

    Other

    Other2008 34th European Conference on Optical Communication, ECOC 2008
    Country/TerritoryBelgium
    CityBrussels
    Period08/9/2108/9/25

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials

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