• DocumentCode
    2249037
  • Title

    Correlation between the subband electronic temperatures and the internal quantum efficiency of THz quantum cascade lasers

  • Author

    Vitiello, Miriam Serena ; Scamarcio, Gaetano ; Scalari, Giacomo ; Walther, Christoph ; Faist, Jerome ; Beere, Harvey ; Ritchie, David ; Spagnolo, Vincenzo

  • Author_Institution
    Dipt. Interateneo di Fis. "M.Merlin", Univ. di Bari, Bari
  • fYear
    2008
  • fDate
    4-9 May 2008
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We have measured the electronic temperature of the upper laser level (TE u) during continuous-wave operation in THz quantum-cascade lasers and found an experimental correlation with the occurrence of stimulated emission and the internal quantum efficiency.
  • Keywords
    quantum cascade lasers; submillimetre wave lasers; THz quantum cascade lasers; internal quantum efficiency; subband electronic temperatures; Electrical resistance measurement; Optical devices; Optical sensors; Optical superlattices; Optical waveguides; Power lasers; Quantum cascade lasers; Semiconductor lasers; Stimulated emission; 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
    4571998
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2249037