• DocumentCode
    733543
  • Title

    Graphene on silicon-on-sapphire waveguide photodetectors

  • Author

    Zhenzhou Cheng ; Jiaqi Wang ; Ke Xu ; Hon Ki Tsang ; Shu, Chester

  • Author_Institution
    Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Hong Kong, China
  • fYear
    2015
  • fDate
    10-15 May 2015
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We describe the transfer of chemical vapor deposition grown graphene onto silicon-on-sapphire waveguides to form heterostructure waveguide photodetectors which had responsivities of 0.9 mA/W and 4.5 mA/W at 1.55 μm and 2.75 μm wavelengths, respectively.
  • Keywords
    chemical vapour deposition; elemental semiconductors; graphene; optical waveguides; photodetectors; silicon-on-insulator; C-Si-Al2O3; chemical vapor deposition grown graphene; heterostructure waveguide photodetectors; silicon-on-sapphire waveguide photodetectors; wavelength 1.55 mum; wavelength 2.75 mum; Current measurement; Graphene; Optical waveguides; Photodetectors; Scanning electron microscopy; Silicon; Voltage measurement;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2015 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    7183983