We demonstrate that it is possible to create a mid-infrared laser structure which is free of aluminum by using GaSb as the optical cladding material in an integrated absorber laser structure. Based on previously published data at shorter wavelengths, the refractive index of the InGaAsSb used in the IA QW laser structures is extrapolated to be higher than that of GaSb This index step is an order of magnitude smaller than when using the more conventional AlAsSb as the optical cladding.


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    Title :

    High-performance, aluminum-free optically-pumped mid-IR semiconductor lasers


    Contributors:
    Goyal, A.K. (author) / Turner, G.W. (author) / Manfra, M.J. (author) / Foti, P.J. (author) / O'Brien, P. (author) / Sanchez, A. (author)


    Publication date :

    2001-01-01


    Size :

    188161 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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