• DocumentCode
    520893
  • Title

    Terahertz quantum cascade lasers with integrated plasmonic collimators

  • Author

    Yu, Nanfang ; Wang, Qi Jie ; Khanna, Suraj P. ; Li, Lianhe ; Davies, A. Giles ; Linfield, Edmund H. ; Capasso, Federico

  • Author_Institution
    Sch. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA, USA
  • fYear
    2010
  • fDate
    16-21 May 2010
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We report collimation of THz quantum-cascade lasers by patterning plasmonic structures on laser facets. A beam divergence angle of ∼10 degrees and an increase of the collected power by a factor of ∼5 are demonstrated.
  • Keywords
    Apertures; Collimators; Gratings; Laser beams; Plasmons; Quantum cascade lasers; Semiconductor lasers; Surface waves; Vertical cavity surface emitting lasers; Waveguide lasers;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
  • Conference_Location
    San Jose, CA, USA
  • Print_ISBN
    978-1-55752-890-2
  • Electronic_ISBN
    978-1-55752-890-2
  • Type

    conf

  • Filename
    5500496