• DocumentCode
    2163702
  • Title

    Spectral efficiency enhancement using coherent WDM with multi-level offset-QAM

  • Author

    Zhao, J. ; Ellis, A.D.

  • Author_Institution
    Photonic Syst. Group, Univ. Coll. Cork, Cork, Ireland
  • fYear
    2011
  • fDate
    18-22 Sept. 2011
  • Firstpage
    1
  • Lastpage
    3
  • Abstract
    We propose offset-QAM based CoWDM, and show that the proposed system outperforms no-guard-interval optical OFDM and Nyquist WDM and enables the use of offset 4-, 16-, and 64-QAM with the performance approaching the theoretical limits.
  • Keywords
    quadrature amplitude modulation; spectral analysis; wavelength division multiplexing; CoWDM; Nyquist WDM; QAM; coherent WDM; multilevel offset QAM; no guard interval optical OFDM; spectral efficiency enhancement; OFDM; Optical amplifiers; Optical attenuators; Optical filters; Optical receivers; Optical transmitters; Optical variables control;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
  • Conference_Location
    Geneva
  • ISSN
    Pending
  • Print_ISBN
    978-1-4577-1918-9
  • Type

    conf

  • Filename
    6066140
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2163702