Performance comparison of equalization techniques for SI-POF multi-gigabit communication with PAM-M and device non-linearities

Isaac N. Osahon, Sujan Rajbhandari, Wasiu O. Popoola

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    18 Citations (Scopus)
    169 Downloads (Pure)

    Abstract

    In this paper, Gigabit per second transmission over short-range step-index plastic optical fibre (SI-POF) is implemented with multi-level pulse amplitude modulation (PAM-M) scheme using a laser diode (LD) as the optical source. In particular, the POF channel distortion and the non-linear distortion from the LD are considered. To mitigate these distortions under various PAM-M levels, the bit error rate (BER) performances of the transversal, Volterra and multi-layer perceptron (MLP) based decision feedback equalizers are evaluated and compared. Furthermore, the inverse polynomial technique for non-linear mitigation is also considered. MLP is shown to offer the best BER performance for PAM scheme using more than eight levels especially for a system with high non-linearities. With the MLP equalizer, we record the highest data rate of 3, 7.8, and 18 Gbps for POF lengths of 60, 30, and 10 m, respectively.
    Original languageEnglish
    Pages (from-to)2301-2308
    Number of pages8
    JournalJournal of Lightwave Technology
    Volume36
    Issue number11
    DOIs
    Publication statusPublished - 28 Feb 2018

    Bibliographical note

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    Keywords

    • Optical distortion
    • Nonlinear optics
    • Optical fibers
    • Bandwidth
    • Optical modulation
    • Distortion
    • Optical pulses

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