• DocumentCode
    3701038
  • Title

    High-efficiency folded shallow-grating coupler with minimal back reflection toward isolator-free optical integration

  • Author

    Masatoshi Tokushima;Jun Ushida;Toshinori Uemura;Kazuhiko Kurata

  • Author_Institution
    Photonics Electronics Technology Research Association (PETRA), West 7A 4F, 16-1 Onogawa, Tsukuba, Ibaraki 305-8569, Japan
  • fYear
    2015
  • Firstpage
    1
  • Lastpage
    3
  • Abstract
    Back reflection from grating couplers can be an obstacle to integrate them with isolator-free light sources. A folded shallow-grating coupler is proposed. We numerically confirmed a back reflection of -27 dB while achieving an upward emitting efficiency of -0.58 dB.
  • Keywords
    "Gratings","Optical fibers","Optical coupling","Optical reflection","Optical feedback","Adaptive optics"
  • Publisher
    ieee
  • Conference_Titel
    Optical Communication (ECOC), 2015 European Conference on
  • Type

    conf

  • DOI
    10.1109/ECOC.2015.7341732
  • Filename
    7341732
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3701038