• DocumentCode
    1660349
  • Title

    Engineering the intersubband lifetime with interface roughness in Quantum Cascade lasers

  • Author

    Chiu, YenTing ; Dikmelik, Yamac ; Zhang, Qiang ; Khurgin, Jacob B. ; Gmachl, Claire F.

  • Author_Institution
    Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
  • fYear
    2012
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    Due to interface roughness scattering, the lower laser state depopulation lifetime of Quantum Cascade lasers can be significantly reduced (e.g. from 0.25 to 0.09 picosecond theoretically) by placing additional interfaces strategically in the active region.
  • Keywords
    high-speed optical techniques; interface roughness; light scattering; quantum cascade lasers; active region; interface roughness scattering; intersubband lifetime; lower laser state depopulation lifetime; quantum cascade lasers; time 0.25 ps to 0.09 ps; Gas lasers; Laser theory; Laser transitions; Quantum cascade lasers; Scattering; Temperature;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2012 Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-4673-1839-6
  • Type

    conf

  • Filename
    6325911