The use of DQPSK is quite effective to expand the aggregate capacity in WDM systems by increasing the spectral efficiency. By using optically filtered RZ-DQPSK, 1.6 bit/s/Hz spectral efficiency is achieved without polarization demultiplexing and the achieved spectral efficiency enables 5.12 Tbit/s transmission with the conventional C-band EDFA repeaters.


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    Title :

    Merits of DQPSK for ultrahigh capacity transmission


    Contributors:
    Morita, I. (author) / Yoshikane, N. (author)


    Publication date :

    2005-01-01


    Size :

    122437 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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