Laser nonlinearity compensation for radio subcarrier multiplexed fiber optic transmission systems

Niloufar Tayebi, Mohsen Kavehrad

    Research output: Contribution to journalArticle

    15 Scopus citations

    Abstract

    Subcarrier multiplexing uses the available fiber bandwidth in optical transmission, efficiently . Semiconductor lasers, which are used as optical sources in such systems, exhibit nonlinear characteristics. Nonlinearity degrades the performance of such transmission systems. For nonlinearity compensation, nonlinear predistortion may be incorporated prior to the laser. Characteristics of this nonlinear block invert those of the laser source. Performance of the radio subcarrier multiplexed system with and without predistortion is evaluated by harmonic and intermodulation distortions analyses. Nonlinear distortion level decreases significantly when predistortion is employed prior to the laser.

    Original languageEnglish (US)
    Pages (from-to)1103-1114
    Number of pages12
    JournalIEICE Transactions on Communications
    VolumeE76-B
    Issue number9
    StatePublished - Sep 1 1993

    All Science Journal Classification (ASJC) codes

    • Software
    • Computer Networks and Communications
    • Electrical and Electronic Engineering

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