• DocumentCode
    1572358
  • Title

    In-band interferometric estimation of OSNR for PolMux QPSK signals with unknown filter history

  • Author

    Chitrik, N. ; Oh, J.M. ; Nelson, L.E. ; Brodsky, M.

  • Author_Institution
    AT&T Labs., Middletown, NJ
  • fYear
    2008
  • Firstpage
    537
  • Lastpage
    538
  • Abstract
    We find a large range of interferogram delay for which OSNR estimation is correct to within 1.5 dB for 46 Gbps PolMux QPSK. This permits accurate OSNR measurement without a priori knowledge of the filter shape.
  • Keywords
    light interferometry; multiplexing; optical fibre communication; optical fibre filters; optical fibre polarisation; optical modulation; quadrature phase shift keying; OSNR measurement; PolMux QPSK signals; bit rate 46 Gbit/s; in-band interferometric estimation; optical filter; optical signal-to-noise ratio; Autocorrelation; Delay; History; Multi-stage noise shaping; Noise shaping; Optical filters; Optical interferometry; Optical noise; Quadrature phase shift keying; Signal to noise ratio;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    IEEE Lasers and Electro-Optics Society, 2008. LEOS 2008. 21st Annual Meeting of the
  • Conference_Location
    Acapulco
  • Print_ISBN
    978-1-4244-1931-9
  • Electronic_ISBN
    978-1-4244-1932-6
  • Type

    conf

  • DOI
    10.1109/LEOS.2008.4688729
  • Filename
    4688729