We show experimentally that the optical nonlinearities due to intersubband transitions in GaN quantum wells can have both signs, depending on the structure of choice. Nonlinear transmission measurements show strong, ultrafast induced absorption that may be used in future nonlinear optical devices.


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    Title :

    Optical nonlinearities of opposite sign from intersubband transitions in GaN quantum wells


    Contributors:
    Chen, G. (author) / Rapaport, R. (author) / Mitrofanov, O. (author) / Gmachl, C. (author) / Ng, H.M. (author)


    Publication date :

    2003-01-01


    Size :

    195219 byte



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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