Analog-based duobinary-4-PAM for electrical bandwidth limited optical fiber links

Lau Frejstrup Suhr, Idelfonso Tafur Monroy, Juan José Vegas Olmos

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    Abstract

    This paper presents a demonstration of a seven level duobinary-4-PAM signal operating at 10.16 Gbit/s. The polybinary generation is achieved by a simple electrical Bessel filter of 5th order, with a frequency cut-off of 1.8 GHz. We assess the impact of the filter placement, either at the transmitter or the receiver, and find the impact is minimal in terms of bit error rate performance in transmissions of up to 40 km of single mode fiber.
    Original languageEnglish
    JournalOptica Applicata (Online)
    VolumeXLVI
    Issue number1
    Pages (from-to)71-78
    ISSN0078-5466
    DOIs
    Publication statusPublished - 2016

    Keywords

    • Optical communications
    • Advanced modulation formats
    • Multilevel modulation

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