Signal-to-Noise Ratio of Modulated Sources of ASE Transmitted Over Dispersive Fiber

G.J. Pendock, David Sampson

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    9 Citations (Scopus)

    Abstract

    We investigate, both theoretically and experimentally, the signal-to-noise ratio (SNR) of modulated amplified spontaneous emission (ASE) transmitted over dispersive fiber. We observe two significant effects; firstly, the signal-to-excess-noise ratio (SNRex) varies across the pulse reaching its maximum value near the peak of the detected signal; and secondly, this maximum value decreases with increasing fiber dispersion-induced pulse broadening. Accurate calculation of transmission performance of high bit-rate optical communication systems employing ASE sources, such as spectrum slicing, requires inclusion of these effects.
    Original languageEnglish
    Pages (from-to)1002-1004
    JournalIEEE Photonics Technology Letters
    Volume9
    Issue number7
    DOIs
    Publication statusPublished - 1997

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