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

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3 Author(s)
Oswald, P. ; Bell Labs., Lucent Technol., Murray Hill, NJ, USA ; Madsen, C.K. ; Konsbruck, R.L.

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.

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Lightwave Technology, Journal of  (Volume:22 ,  Issue: 2 )