Summary form only given. Several authors have proposed and demonstrated the use of acousto-optic tunable filters (AOTF) for WDM channel equalization by using these devices as wavelength-selective variable attenuators. These solutions require a system for WDM channel monitoring, which is usually realized using complex and expensive optical filtering techniques. In this paper we propose and demonstrate a simple and efficient solution to the monitoring problem, based on the use of subcarrier signals. In our system, each wavelength, besides the high bit-rate baseband signal, carries a subcarrier tone at frequency higher than the bit rate, so that the tone is spectrally separated from the baseband.


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    Titel :

    WDM channel equalization based on subcarrier signal monitoring


    Beteiligte:
    Gaudino, R. (Autor:in) / Blumenthal, D.J. (Autor:in)


    Erscheinungsdatum :

    01.01.1998


    Format / Umfang :

    221417 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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