• DocumentCode
    1280229
  • Title

    Widely tunable 1.5 μm micromechanical optical filter using AlO x/AlGaAs DBR

  • Author

    Wu, M.S. ; Li, G.S. ; Yuen, W. ; Chang-Hasnain, C.J.

  • Author_Institution
    Dept. of Electr. Eng. & Comput. Sci., California Univ., Berkeley, CA, USA
  • Volume
    33
  • Issue
    20
  • fYear
    1997
  • fDate
    9/25/1997 12:00:00 AM
  • Firstpage
    1702
  • Lastpage
    1704
  • Abstract
    The authors demonstrate, for the first time, a wavelength tunable optical filter at 1.55 μm using micromechanical tuning of a Fabry-Perot resonator with an AlOx/AlGaAs distributed Bragg reflectors (DBR). The use of thermally oxidised AlAs layers, resulting an ultrawide bandwidth, dramatically increased the tuning range and efficiency of the resonator. Very efficient continuous tuning of >50 nm with only a 0.95 V tuning voltage was achieved. The tuning range, limited by our test laser, is expected to be expandable to hundreds of nm
  • Keywords
    Fabry-Perot resonators; III-V semiconductors; aluminium compounds; electro-optical filters; gallium arsenide; micromechanical devices; resonator filters; tuning; 0.95 V; 1.55 micron; AlO-AlGaAs; AlOx/AlGaAs distributed Bragg reflector; Fabry-Perot resonator; bandwidth; efficiency; micromechanical tuning; optical filter; thermally oxidised AlAs layer;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19971167
  • Filename
    629542
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1280229