Title :
Analysis of scalable PMD compensators using FIR filters and wavelength-dependent optical power measurements
Author :
Oswald, Peter ; Madsen, Christi K. ; Konsbruck, Robert L.
Author_Institution :
Bell Labs., Lucent Technol., Murray Hill, NJ, USA
Abstract :
We investigate the potential of optical n-stage FIR filter architectures for PMD compensation (PMDC) based on frequency-dependent optical power monitoring. The measurement information is used to partially estimate the channel´s Jones matrix U(ω), and the filter parameters are adjusted based on solving a nonlinear least-squares problem which mimics the approximate inversion of U(ω) by the filter. Numerical studies of the optimization method and outage probability simulations show the robustness and scalability of the proposed concept.
Keywords :
FIR filters; compensation; least squares approximations; matrix algebra; optical design techniques; optical fibre communication; optical fibre dispersion; optical fibre polarisation; optical filters; optimisation; probability; FIR filters; Jones matrix; filter parameters; nonlinear least-squares problem; optimization; outage probability simulations; polarization mode dispersion compensation; scalable PMD compensators; wavelength-dependent optical power measurements; Finite impulse response filter; Frequency; Information filtering; Information filters; Monitoring; Nonlinear optics; Optical filters; Optimization methods; Power measurement; Wavelength measurement;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2004.824452
