• DocumentCode
    993530
  • Title

    Ten-port graded-index waveguide star coupler fabricated by dry ion diffusion process

  • Author

    Kaede, Kazunori ; Ishikawa, Ryo

  • Author_Institution
    NEC Corporation, Opto-Electronics Research Laboratories, Kawasaki, Japan
  • Volume
    20
  • Issue
    16
  • fYear
    1984
  • Firstpage
    647
  • Lastpage
    649
  • Abstract
    A ten-port planar star coupler has been developed, utilising multimode waveguides easily formed in a glass substrate by evaporated silver ion diffusion. The waveguides have circular cross-sections with graded-index profile, which matches well to graded-index multimode fibres. Insertion loss of 6 dB and the loss variation of 0.8 dB were attaied.
  • Keywords
    losses; optical couplers; optical workshop techniques; Ag ions; circular cross-sections; dry ion diffusion process; graded-index profile; insertion loss; loss variation; multimode waveguides; ten-port planar star coupler;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19840443
  • Filename
    4248932
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=993530