• DocumentCode
    1877397
  • Title

    Free-carrier density dependent relaxation lifetime in Si quantum dot optical absorption modulator

  • Author

    Chung-Lun Wu ; Sheng-Pin Su ; Gong-Ru Lin

  • Author_Institution
    Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
  • fYear
    2013
  • fDate
    28-30 Aug. 2013
  • Firstpage
    47
  • Lastpage
    48
  • Abstract
    A 4-nm large Si-QD doped SiOx rib waveguide based optical absorption modulator with free-carrier density dependent relaxation lifetime is demonstrated. The switching response is shortened to 9 μs by reducing pumping duty-cycle to 0.5 μs.
  • Keywords
    carrier density; carrier relaxation time; elemental semiconductors; light absorption; nanophotonics; optical modulation; optical pumping; optical switches; optical waveguides; rib waveguides; semiconductor quantum dots; silicon; silicon compounds; SiO:Si; free-carrier density dependent relaxation lifetime; pumping duty-cycle; quantum dot optical absorption modulator; rib waveguide; size 4 nm; switching response; time 0.5 mus; time 9 mus; Absorption; Generators; Laser excitation; Modulation; Optical waveguides; Probes; Silicon;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Group IV Photonics (GFP), 2013 IEEE 10th International Conference on
  • Conference_Location
    Seoul
  • ISSN
    1949-2081
  • Print_ISBN
    978-1-4673-5803-3
  • Type

    conf

  • DOI
    10.1109/Group4.2013.6644486
  • Filename
    6644486
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1877397