• DocumentCode
    2923837
  • Title

    Terahertz heterostructure lasers

  • Author

    Tredicucci, Alessandm ; Köhler, Rüdeger ; Beltram, Fabio ; Beere, Harvey E. ; Linfield, Edmund H. ; Davies, A. Gdes ; Ritchie, David A. ; Iotti, Rita C. ; Rossi, Fausto

  • Author_Institution
    Scuola Normale Superiore, Pisa, Italy
  • Volume
    2
  • fYear
    2002
  • fDate
    10-14 Nov. 2002
  • Firstpage
    712
  • Abstract
    Quantum cascade lasers in GaAs/AlGaAs heterostructures are operated in the THz range, with peak powers of several mWs and thresholds of few hundred A/cm2 up to 60 K. Single-mode and continuous-wave emission are also achieved at 4.4 THz.
  • Keywords
    aluminium compounds; gallium arsenide; high-speed optical techniques; quantum cascade lasers; submillimetre wave lasers; 4.4 THz; 60 K; GaAs quantum well lasers; GaAs-AlGaAs; GaAs/AlGaAs heterostructures; THz range; continuous-wave emission; laser thresholds; peak powers; quantum cascade lasers; single mode emission; terahertz heterostructure lasers; Current density; Electron optics; Gallium arsenide; Laser transitions; Optical scattering; Optical superlattices; Optical waveguides; Particle scattering; Quantum cascade lasers; Semiconductor lasers;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE
  • ISSN
    1092-8081
  • Print_ISBN
    0-7803-7500-9
  • Type

    conf

  • DOI
    10.1109/LEOS.2002.1159505
  • Filename
    1159505