In a high-speed lightwave system, chirping of transmitters as well as dispersion and nonlinearity of the fiber distort the transmitted pulse. Moreover, the frequency characteristics of receivers have an important impact on the intersymbol interference at the input of the decision circuit. Therefore, it is necessary to use appropriate model of chirping of transmitters and frequency characteristics of receivers in order to estimate transmission performance accurately. Chirping of Mach-Zehnder type LiNbO/sub 3/ based transmitters can be modeled by two methods. The receiver sensitivity made a difference of at least 1-2 dB by the receiver filter model and shape of chirping. The measured receiver filter provided closer results to the experimental results and BER characteristics provided more accurate system performances, especially by using chirping model 1 for negative chirp and chirping model 2 for positive chirp.


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    Title :

    Transmission performance on frequency response of receivers and chirping shape of transmitters for 10 Gb/s LiNbO/sub 3/ modulator based lightwave system


    Contributors:


    Publication date :

    1999-01-01


    Size :

    110608 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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