Surface-normal modulators based on stepped quantum wells at /spl lambda//spl sim/1.55 /spl mu/m are demonstrated. These devices have nearly two times better efficiency and 7 dB higher extinction ratio compared to devices with rectangular and coupled-quantum wells.


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    Title :

    High-performance surface-normal modulators based on stepped quantum wells


    Contributors:
    Mohseni, H. (author) / An, H. (author) / Ulmer, A. (author) / Capewell, D. (author) / Chan, W.K. (author)


    Publication date :

    2004-01-01


    Size :

    94465 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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