We report on the first all-optical switching operation of intersubband absorption at an optical communication wavelength (/spl sim/1.55 /spl mu/m), which was achieved by InGaAs/AlAs/AlAsSb coupled quantum wells. The switching energy was as low as 27 pJ.


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    Title :

    Ultrafast (/spl sim/1 THz) 1.55 /spl mu/m all-optical switch using intersubband absorption in InGaAs/AlAs/AlAsSb coupled quantum wells


    Contributors:
    Akiyama, T. (author) / Georgiev, N. (author) / Mozume, T. (author) / Yoshida, H. (author) / Gopal, A.V. (author) / Wada, O. (author)


    Publication date :

    2001-01-01


    Size :

    129069 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English