• DocumentCode
    1021859
  • Title

    Costas loop analysis for coherent optical receivers

  • Author

    Hodgkinson, T.G.

  • Author_Institution
    British Telecom Research Laboratories, Ipswich, UK
  • Volume
    22
  • Issue
    7
  • fYear
    1986
  • Firstpage
    394
  • Lastpage
    396
  • Abstract
    The Costas loop is analysed taking both shot and laser phase noise sources into account and it is shown that to avoid large performance penalties beat linewidth to bit-rate ratios smaller than 0.05% and 0.5% are needed for PSK homodyne and heterodyne systems, respectively.
  • Keywords
    demodulation; optical communication equipment; phase shift keying; random noise; receivers; Costas loop; PSK; beat linewidth/bit-rate ratio; coherent optical receivers; heterodyne systems; laser phase noise sources; shot noise;
  • fLanguage
    English
  • Journal_Title
    Electronics Letters
  • Publisher
    iet
  • ISSN
    0013-5194
  • Type

    jour

  • DOI
    10.1049/el:19860268
  • Filename
    4256460
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1021859