Analysis of scalable PMD compensators using FIR filters and wavelength-dependent optical power measurements

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(/spl omega/), and the filter parameters are adjusted...

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Bibliographic Details
Published in:Journal of lightwave technology 2004-02, Vol.22 (2), p.647-657
Main Authors: Oswald, P., Madsen, C.K., Konsbruck, R.L.
Format: Article
Language:English
Subjects:
All optical circuits
Applied sciences
Approximation
Circuit properties
Detection, estimation, filtering, equalization, prediction
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Finite impulse response filter
FIR filters
Frequency
Information filtering
Information filters
Information, signal and communications theory
Least squares method
Mathematical models
Monitoring
Nonlinear optics
Optical and optoelectronic circuits
Optical filters
Optimization
Optimization methods
Power measurement
Power measurements
Robustness
Signal and communications theory
Signal, noise
Telecommunications and information theory
Wavelength measurement
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Description
Summary: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(/spl omega/), and the filter parameters are adjusted based on solving a nonlinear least-squares problem which mimics the approximate inversion of U(/spl omega/) by the filter. Numerical studies of the optimization method and outage probability simulations show the robustness and scalability of the proposed concept.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2004.824452