• DocumentCode
    2254033
  • Title

    The effect of injection barrier thickness and doping level on a λ ∼ 8 μm quantum cascade structure

  • Author

    Howard, Scott S. ; Howard, Daniel P. ; Ko, Tiffany ; Sivco, Deborah L. ; Gmachl, Claire F.

  • Author_Institution
    Dept. of Electr. Eng., Princeton Univ., Princeton, NJ
  • fYear
    2008
  • fDate
    4-9 May 2008
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    For a high-performance quantum cascade laser structure, a 50% reduction in doping level and 33% reduction in injection barrier thickness yields 5 times stronger luminescence, 20% smaller optical transition width, and improved current-voltage characteristics.
  • Keywords
    laser beams; laser transitions; optical materials; photoluminescence; quantum cascade lasers; semiconductor doping; current-voltage characteristics; doping level; high-performance quantum cascade laser structure; injection barrier thickness; luminescence; optical transition width; Current-voltage characteristics; Doping; Energy states; Laser transitions; Luminescence; Optical design; Pulse measurements; Quantum cascade lasers; Semiconductor lasers; Temperature; (140.3070) Infrared and far-infrared lasers; (140.5965) Semiconductor lasers, quantum cascade;
  • fLanguage
    English
  • Publisher
    iet
  • Conference_Titel
    Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-55752-859-9
  • Type

    conf

  • Filename
    4572220