In tellurite fibre EDFA, a gain-flattened amplification of 20 dB across a spectrum of 80 nm between 1530 and 1610 nm was demonstrated. By combining a tellurite fibre with Er/sup 3+/ dopant and a fluoride fibre with Tm/sup 3+/-ion dopant, the maximum gain flatness in two discrete S- and C+L bands is 113 nm. There is therefore an opportunity for developing an Er-Tm doped fibre with a seamless amplification bandwidth and flattened spectrum over 1410 nm to 1610 nm, which will be an ideal device for WDM.


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    Title :

    Broadband emissions in Er/sup 3+/-Tm/sup 3+/ codoped tellurite glass fibre


    Contributors:
    Lihui Huang, (author) / Shaoxiong Shen, (author) / Xiaobo Liu, (author) / Animesh Jha, (author)


    Publication date :

    2004-01-01


    Size :

    94480 byte



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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