• DocumentCode
    421858
  • Title

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

  • Author

    Lerttamrab, M. ; Chuang, S.L. ; Yang, R.Q. ; Hill, C.J.

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA
  • Volume
    1
  • fYear
    2004
  • fDate
    16-21 May 2004
  • Abstract
    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.
  • Keywords
    infrared sources; quantum cascade lasers; refractive index; spectral line breadth; superradiance; amplified spontaneous emission spectrum; linewidth enhancement factor; midinfrared lasers; optical gain; quantum-cascade laser; refractive index change; type-II laser;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics, 2004. (CLEO). Conference on
  • Conference_Location
    San Francisco, CA
  • Print_ISBN
    1-55752-777-6
  • Type

    conf

  • Filename
    1361310