• DocumentCode
    861658
  • Title

    Passive equalisation of four 2.5 Gbit/s WDM channels over 1000 km using notch filters

  • Author

    Hwang, S.-M. ; Huang, Steven He ; Shieh, William ; Willner, Alan E.

  • Author_Institution
    Dept. of Electr. Eng. Syst., Univ. of Southern California, Los Angeles, CA
  • Volume
    32
  • Issue
    7
  • fYear
    1996
  • fDate
    3/28/1996 12:00:00 AM
  • Firstpage
    676
  • Lastpage
    677
  • Abstract
    The authors experimentally demonstrate passive equalisation of the non-uniform gain of cascaded EDFAs over a 7.4 nm wavelength range by periodically using notch filters along a 1000 km transmission link. The 1000 km equalised transmission was accomplished using a recirculating loop and a single intra-loop notch filter. The signal power differential among the four WDM channels is reduced from 19 to 4 dB
  • Keywords
    digital communication; equalisers; fibre lasers; interference filters; laser beam applications; notch filters; optical fibre communication; wavelength division multiplexing; 1000 km; 2.5 Gbit/s; Er-doped fibre amplifiers; WDM channels; cascaded EDFAs; nonuniform gain; notch filters; passive equalisation; recirculating loop;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19960377
  • Filename
    491895