• DocumentCode
    2247674
  • Title

    Quantum cascade microlasers with highly deformed spiral-resonators

  • Author

    Qu, Dongxia ; Cendejas, Richard ; Liu, Zhijun ; Gmachl, Claire ; Towner, Fred

  • Author_Institution
    Dept. of Electr. Eng., Princeton Univ., Princeton, NJ
  • fYear
    2008
  • fDate
    4-9 May 2008
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We study the spectral characteristics of spiral-shaped micro-cylindrical quantum cascade lasers with various spiral geometries. With medium deformations and notch angles, our lasers can achieve single-mode emission with a side-mode suppression ratio over 30 dB.
  • Keywords
    laser cavity resonators; laser modes; quantum cascade lasers; medium deformations; microcylindrical quantum cascade lasers; notch angles; quantum cascade microlasers; spectral characteristics; spiral geometries; spiral resonators; Geometrical optics; Laser modes; Laser transitions; Optical propagation; Optical pulses; Optical resonators; Quantum cascade lasers; Semiconductor lasers; Spirals; Threshold current; (140.3070) Infrared and far-infrared lasers; (140.3410) Laser resonators; (140.4780) Optical resonators; (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
    4571941