• DocumentCode
    499943
  • Title

    Active control of terahertz optical activity by photo-excitation of metal chiral gratings

  • Author

    Kanda, N. ; Konishi, K. ; Kuwata-Gonokami, M.

  • Author_Institution
    Dept. of Appl. Phys., Univ. of Tokyo, Tokyo, Japan
  • fYear
    2009
  • fDate
    2-4 June 2009
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We report pronounced light-induced change of the optical activity at terahertz frequency in metal chiral gratings on semiconductor substrates. This result opens new horizons in the active terahertz polarization control.
  • Keywords
    diffraction gratings; optical control; optical rotation; photoexcitation; polarimetry; active terahertz polarization control; metal chiral grating; photo-excitation; semiconductor substrates; terahertz optical activity control; Gratings; Metamaterials; Optical control; Optical films; Optical microscopy; Optical polarization; Optical pumping; Optical sensors; Optical surface waves; Substrates; (120.2130) Ellipsometry and polarimetry; (230.3990) Microstructure devices; (240.6680) Surface plasmons; (300.6270) Spectroscopy, far infrared;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-55752-869-8
  • Electronic_ISBN
    978-1-55752-869-8
  • Type

    conf

  • Filename
    5225317