• DocumentCode
    1412471
  • Title

    A simplified model for estimating the capacity limit of an optical link in transporting multichannel M-QAM signals

  • Author

    Lam, Cedric F.

  • Author_Institution
    Broadband Access Res. Dept., AT&T Bell Labs., Middletown, NJ, USA
  • Volume
    12
  • Issue
    11
  • fYear
    2000
  • Firstpage
    1579
  • Lastpage
    1581
  • Abstract
    We present a simplified model for quick estimation of the ultimate capacity of subcarrier multiplexed lightwave system using M-QAM. This analytical model assumes a directly modulated laser diode under relative intensity noise limitation and clipping distortion. Our results show very good agreement with those obtained using full analysis.
  • Keywords
    cable television; laser noise; optical fibre subscriber loops; quadrature amplitude modulation; semiconductor device noise; semiconductor lasers; subcarrier multiplexing; telecommunication signalling; analytical model; capacity limit; clipping distortion; directly modulated laser diode; multichannel M-QAM signals; optical link; relative intensity noise limitation; subcarrier multiplexed lightwave system; ultimate capacity; Analytical models; Diode lasers; Hybrid fiber coaxial cables; Intensity modulation; Linearity; Nonlinear distortion; Optical fiber communication; Optical noise; Signal to noise ratio; Spectral analysis;
  • fLanguage
    English
  • Journal_Title
    Photonics Technology Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1041-1135
  • Type

    jour

  • DOI
    10.1109/68.887764
  • Filename
    887764