AlSb/GaSb quantum cascade laser structure was fabricated and evaluated. Design frequency of oscillation was 2.6 THz. A terahertz electroluminescence at 4K was measured by using gallium doped germanium photodetector. With an increase of injection current, above certain threshold, an abrupt increase of luminescence has been observed.


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    Title :

    Terahertz electroluminescence from AlSb/GaSb quantum cascade laser structure


    Contributors:
    Hosako, I. (author) / Yasuda, H. (author) / Miyashita, S. (author) / Patrashin, M. (author)


    Publication date :

    2005-01-01


    Size :

    1035853 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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