• DocumentCode
    2230605
  • Title

    Highly unidirectional whispering gallery mode lasers

  • Author

    Wang, Qi Jie ; Yan, Changling ; Yu, Nanfang ; Pflügl, Christian ; Diehl, Laurent ; Capasso, Federico ; Unterhinninghofen, Julia ; Wiersig, Jan ; Edamura, Tadataka ; Yamanishi, Masamichi ; Kan, Hirofumi

  • Author_Institution
    Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore
  • fYear
    2011
  • fDate
    1-6 May 2011
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We report elliptical resonators with a wavelength-size notch at the boundary, which supports highly unidirectional emission from whispering gallery modes. Using quantum cascade lasers, a unidirectional in-plane beam divergence of 6 degrees has been demonstrated.
  • Keywords
    laser cavity resonators; quantum cascade lasers; whispering gallery modes; elliptical resonators; quantum cascade lasers; unidirectional emission; unidirectional in-plane beam divergence; unidirectional whispering gallery mode lasers; wavelength-size notch; Laser beams; Laser modes; Microcavities; Q factor; Quantum cascade lasers; Stimulated emission;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2011 Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-4577-1223-4
  • Type

    conf

  • Filename
    5950249