• DocumentCode
    2788376
  • Title

    Single-mode surface-emitting terahertz quantum-cascade lasers operating up to ~ 150 K

  • Author

    Kumar, Sushil ; Williams, Benjamin S. ; Qin, Qi ; Lee, Alan W M ; Hu, Qing ; Reno, John L.

  • Author_Institution
    Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, 02139, USA
  • fYear
    2007
  • fDate
    6-11 May 2007
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We report robust single-mode operation of surface-emitting distributed-feedback terahertz quantum-cascade lasers in metal-metal waveguides. Grating devices span a range of 0.35THz around 2.9THz, with 149K maximum pulsed operating temperature, and >6mW continuous-wave power at 5K.
  • Keywords
    Gratings; Laser beams; Laser modes; Optical surface waves; Optical waveguides; Power generation; Quantum cascade lasers; Surface emitting lasers; Surface waves; Waveguide lasers;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics and Laser Science Conference, 2007. QELS '07
  • Conference_Location
    Baltimore, MD, USA
  • Print_ISBN
    978-1-55752-834-6
  • Type

    conf

  • DOI
    10.1109/QELS.2007.4431394
  • Filename
    4431394