• DocumentCode
    840425
  • Title

    Improved laser-fiber coupling by using spot-size transformer

  • Author

    Rahman, B.M.A. ; Rajarajan, M. ; Wongcharoen, T. ; Grattan, K.T.V.

  • Author_Institution
    Dept. of Electr. Electron. & Inf. Eng., City Univ., London, UK
  • Volume
    8
  • Issue
    4
  • fYear
    1996
  • fDate
    4/1/1996 12:00:00 AM
  • Firstpage
    557
  • Lastpage
    559
  • Abstract
    Improved coupling between a laser and a fiber is demonstrated using a synchronous directional coupler section with nonidentical waveguides to enlarge the spot-size for improved butt-coupling.
  • Keywords
    optical directional couplers; optical fibre couplers; semiconductor lasers; InGaAsP; InGaAsP laser; improved butt-coupling; improved laser-fiber coupling; nonidentical waveguides; spot-size transformer; synchronous directional coupler section; Directional couplers; Fiber lasers; Laser theory; Optical coupling; Optical fiber couplers; Optical fiber devices; Optical fibers; Optical frequency conversion; Optical waveguides; Waveguide lasers;
  • fLanguage
    English
  • Journal_Title
    Photonics Technology Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1041-1135
  • Type

    jour

  • DOI
    10.1109/68.491225
  • Filename
    491225