The duobinary technique, at first proposed for radio communications has recently re-emerged in the field of optical communications as a possible candidate for next generation of ultra-DWDM systems. The purpose of this work is to derive, for the first time to our knowledge, the back-to-back sensitivity (quantum limit) of duobinary technique in ASE-noise-limited direct-detected optical systems: we found that it is at least 0.91 dB better than the IMDD limit and we show that a practical duobinary system setup could closely approach the quantum limit.


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    Titel :

    ASE-noise limit of direct-detection receivers: duobinary vs. IMDD


    Beteiligte:
    Bosco, G. (Autor:in) / Carena, A. (Autor:in) / Curri, V. (Autor:in) / Poggiolini, P. (Autor:in)


    Erscheinungsdatum :

    01.01.2002


    Format / Umfang :

    163252 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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