• DocumentCode
    500559
  • Title

    Low threshold step well quantum cascade laser emitting at 3 THz

  • Author

    Scalari, Giacomo ; Amanti, Maria I. ; Fischer, Milan ; Terazzi, Romain ; Walther, Christoph ; Beck, Mattias ; Faist, Jérôme

  • Author_Institution
    Inst. of Quantum Electron., ETH Zurich, Zurich, Switzerland
  • fYear
    2009
  • fDate
    2-4 June 2009
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    A resonant-phonon THz quantum cascade laser based on Al0.03Ga0.097As step well is demonstrated. Maximum pulsed operating temperature is 123 K, with threshold current densities as low as 110 A/cm2 at 10 K and 175 A/cm2 at 100 K.
  • Keywords
    III-V semiconductors; aluminium compounds; current density; gallium arsenide; phonons; quantum cascade lasers; Al0.03Ga0.097As; frequency 3 THz; pulsed operating temperature; resonant-phonon THz quantum cascade laser; step well; temperature 10 K; temperature 100 K; temperature 123 K; threshold current densities; Laser modes; Optical pulses; Optical scattering; Optical waveguides; Phonons; Plasmons; Quantum cascade lasers; Resonance; Temperature; Threshold current;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-55752-869-8
  • Electronic_ISBN
    978-1-55752-869-8
  • Type

    conf

  • Filename
    5225971
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=500559