We successfully demonstrated superimposing DPSK over inverse-RZ using SOA-XGM for 2-bit per symbol modulation/demodulation at 20-Gbit/s to simply double spectral efficiency. Error free operation less than 10/sup -12/ was achieved for both RZ and DPSK signals.


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    Title :

    2-bit per symbol modulation/demodulation by DPSK over inverse-RZ optical pulses


    Contributors:
    Miyazaki, T. (author) / Kubota, F. (author)


    Publication date :

    2004-01-01


    Size :

    113958 byte



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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