• DocumentCode
    688834
  • Title

    Performance enhancement in quantum well infrared photodetector utilizing the grating structure

  • Author

    Ming-Lun Lee ; Cheng-Ju Hsieh ; Yao-Hong You ; Vin-Cent Su ; Po-Hsun Chen ; Hung-Chou Lin ; Han-Bo Yang ; Hung-Ming Chen ; Chieh-Hsiung Kuan

  • Author_Institution
    Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan
  • fYear
    2013
  • fDate
    9-14 June 2013
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We fabricate four different size grating structure on the top of the quantum well infrared photodetectors, then etch them into four different etching depth. With suitable design, the peak responsivity of the QWIPs is about thirteen times larger than that of the conventional QWIP.
  • Keywords
    diffraction gratings; etching; infrared detectors; optical design techniques; optical fabrication; photodetectors; quantum well devices; conventional QWIP; etching depth; grating structure fabrication; peak responsivity; performance enhancement; photodector design; quantum well infrared photodetector; Etching; Gallium arsenide; Gratings; Photodetectors; Scanning electron microscopy;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2013 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6833210