• DocumentCode
    1232389
  • Title

    Optical sweeper with double-heterodyne frequency-locked loop

  • Author

    Ishida, 0. ; Toba, H. ; Kano, F.

  • Author_Institution
    NTT Transmission Syst. Labs., Kanagawa, Japan
  • Volume
    25
  • Issue
    22
  • fYear
    1989
  • Firstpage
    1495
  • Lastpage
    1496
  • Abstract
    An optical sweeper is constructed with a 1.5 mu m distributed Bragg reflector (DBR) laser for quick frequency-response measurement of high-speed optical receivers. The laser is successfully controlled over a 16 GHz tuning-range by using a double-heterodyne frequency-locked loop. S/N-improved measurement is also demonstrated at sweep speeds as fast as 1 GHz/s.
  • Keywords
    distributed Bragg reflector lasers; frequency response; laser beam applications; laser tuning; optical communication equipment; receivers; semiconductor junction lasers; 1.5 micron; 16 GHz; communication equipment testing; distributed Bragg reflector; double-heterodyne frequency-locked loop; frequency-response measurement; high-speed optical receivers; semiconductor lasers; tuning-range;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19891003
  • Filename
    35156
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1232389