• DocumentCode
    771749
  • Title

    Degradations in balanced DPSK receivers

  • Author

    Winzer, Peter J. ; Kim, Hoon

  • Author_Institution
    Bell Labs., Holmdel, NJ, USA
  • Volume
    15
  • Issue
    9
  • fYear
    2003
  • Firstpage
    1282
  • Lastpage
    1284
  • Abstract
    We discuss, both by simulation and experiment, the design of balanced differential phase-shift keying receivers. We study detector amplitude imbalance and phase imbalance, interferometer delay mismatch, interferometer extinction, and laser frequency offset. The most critical impairment in a practical receiver is found to be a mismatch between laser frequency and interferometer phase, which directly impacts the interference quality.
  • Keywords
    differential phase shift keying; light interference; light interferometers; optical modulation; optical receivers; balanced DPSK receiver degradation; balanced differential phase-shift keying receivers; detector amplitude imbalance; interference quality; interferometer delay mismatch; interferometer extinction; interferometer phase; laser frequency; laser frequency offset; phase imbalance; practical receiver; Degradation; Delay; Differential quadrature phase shift keying; Optical interferometry; Optical noise; Optical receivers; Optical transmitters; Phase modulation; Phase shifting interferometry; Signal to noise ratio;
  • fLanguage
    English
  • Journal_Title
    Photonics Technology Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1041-1135
  • Type

    jour

  • DOI
    10.1109/LPT.2003.816112
  • Filename
    1224606