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polarization-scrambling
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Analysis of degree of polarization as a control signal in PMD compensation systems aided by polarization scrambling
, Article Journal of Lightwave Technology ; Volume 26, Issue 16 , 15 August , 2008 , Pages 2865-2872 ; 07338724 (ISSN) ; Shishegar, A. A ; Sharif University of Technology
2008
Abstract
The performance of degree of polarization (DOP) is investigated as a control signal in polarization-mode dispersion (PMD) compensation systems aided by polarization scrambling. The relation between the input and output polarization states of a signal propagating through a polarization scrambler and a PMD-induced optical fiber is described by a 3 × 3 Stokes transfer matrix. The average DOP of the output signal over a period of polarization scrambling is derived as an alternative to the conventional DOP-based control signal, i.e., minimum DOP. In the presence of first- and all-order PMDs, the performance of the average and minimum DOPs in monitoring of differential group delay (DGD) for...