• DocumentCode
    644505
  • Title

    Injectorless quantum cascade lasers as low threshold THz sources

  • Author

    Demmerle, F. ; Kath, M. ; Viyajaraghavan, K. ; Bohm, G. ; Belkin, M. ; Amann, M.-C.

  • Author_Institution
    Walter Schottky Inst., Tech. Univ. Munchen, Garching, Germany
  • fYear
    2013
  • fDate
    1-6 Sept. 2013
  • Firstpage
    1
  • Lastpage
    1
  • Abstract
    We present a novel device concept for a low threshold terahertz source. Our device is based on difference frequency generation in a dual-wavelength quantum cascade laser for terahertz emission and utilizes a Cerenkov phase matching scheme. The active region is an injectorless design to reach lower current threshold densities than injectorbased devices.
  • Keywords
    current density; microwave photonics; optical frequency conversion; optical phase matching; quantum cascade lasers; Cerenkov phase matching scheme; active region; current threshold density; difference frequency generation; dual-wavelength quantum cascade laser; injectorless design; injectorless quantum cascade lasers; low threshold THz sources; low threshold terahertz source; terahertz emission; Performance evaluation;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
  • Conference_Location
    Mainz
  • Type

    conf

  • DOI
    10.1109/IRMMW-THz.2013.6665473
  • Filename
    6665473