• DocumentCode
    3015652
  • Title

    Enhanced direct bandgap emission from germanium-based ring resonators

  • Author

    Lim, Peng Huei ; Kobayashi, Yosuke ; Takita, Shinya ; Ishikawa, Yasuhiko ; Wada, Kazumi

  • Author_Institution
    Dept. of Mater. Eng., Univ. of Tokyo, Tokyo
  • fYear
    2008
  • fDate
    17-19 Sept. 2008
  • Firstpage
    356
  • Lastpage
    358
  • Abstract
    We report the room temperature enhancement of direct bandgap emission from germanium microcavities with wavelength-scale dimensions and high optical confinement. A decline in the emission enhancement with lower Qs is attributed to the Purcell effect.
  • Keywords
    cavity resonators; elemental semiconductors; germanium; micro-optics; microcavities; optical resonators; Ge; Purcell effect; direct bandgap emission; germanium microcavities; germanium-based ring resonators; Electron optics; Microcavities; Optical losses; Optical materials; Optical ring resonators; Optical scattering; Optical waveguides; Photonic band gap; Semiconductor materials; Stimulated emission;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Group IV Photonics, 2008 5th IEEE International Conference on
  • Conference_Location
    Cardiff
  • Print_ISBN
    978-1-4244-1769-8
  • Electronic_ISBN
    978-1-4244-1768-1
  • Type

    conf

  • DOI
    10.1109/GROUP4.2008.4638198
  • Filename
    4638198
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3015652