We directly measured the optical gain, refractive index change, and the linewidth enhancement factor of a type-II quantum-cascade laser. We obtained very low linewidth enhancement factor of 0.83 near threshold.


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    Title :

    Linewidth enhancement factor of a type-II quantum-cascade laser


    Contributors:
    Lerttamrab, M. (author) / Chuang, S.L. (author) / Yang, R.Q. (author) / Hill, C.J. (author)


    Publication date :

    2004-01-01


    Size :

    172955 byte



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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