Summary form only given. Wavelength-division multiplexing (WDM) transport networks require amplifiers allowing large channel counts along with large span distances. This means that high gain (>25 dB) and large output power is required, along with low noise figure, in order to ensure high channel signal-to-noise ratio. Hence, for a 2.5-Gbit/s line-rate, in the case of an Er-doped six-amplifier chain with 120-km spacing, an output power per channel of the order of +5 dBm is required.


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    Title :

    Broadband fiber amplifiers


    Contributors:
    Bayart, D. (author)


    Publication date :

    1998-01-01


    Size :

    279750 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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