• DocumentCode
    2991147
  • Title

    Injectorless quantum cascade lasers with threshold current densities below 500 A/cm2

  • Author

    Katz, S. ; Boehm, G. ; Amann, M.-C.

  • Author_Institution
    Chair of Semicond. Technol., Garching
  • fYear
    2008
  • fDate
    14-18 Sept. 2008
  • Firstpage
    43
  • Lastpage
    44
  • Abstract
    An injectorless quantum cascade laser design, using four material compositions, and back-facet high-reflective coating is presented. The threshold current density at 300 K and the characteristic temperature were measured with 0.45 kA/cm2 and 140 K, respectively.
  • Keywords
    laser beams; optical films; optical materials; quantum cascade lasers; back-facet high-reflective coating; injectorless quantum cascade lasers; laser design; laser material; temperature 140 K; temperature 300 K; temperature measurement; threshold current density; Coatings; Composite materials; Indium phosphide; Lattices; Optical design; Optical materials; Optical refraction; Quantum cascade lasers; Temperature measurement; Threshold current; injectorless quantum cascade laser; low threshold; multiple material band design;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Semiconductor Laser Conference, 2008. ISLC 2008. IEEE 21st International
  • Conference_Location
    Sorrento
  • Print_ISBN
    978-1-4244-1782-7
  • Electronic_ISBN
    978-1-4244-1783-4
  • Type

    conf

  • DOI
    10.1109/ISLC.2008.4636000
  • Filename
    4636000