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Abstract
We review the research progress concerning some fundamental issues related to polarization-mode dispersion (PMD) in high-speed fiber-optic transmission systems. We pay particular attention to issues such as the PMD-induced pulse broadening, PMD measurement and emulation, as well as PMD compensation. An electrical equalization technique based on a transversal filter and an optical technique based on a nonlinear chirped fiber Bragg gratings for PMD compensation will be discussed.
Acknowledgments
This work was partially supported by Fundação para a Ciěncia e Tecnologia (FCT) of Portugal, FEDER and POSI, within project POSI/CPS/47389/2002, “PMD—Polarization Mode Dispersion in High-Speed Optical Communication Systems” and by the Portuguese ADI—Agěncia de Inovação, in the context of the “The Most-Transimpedance Highly Efficient Micro&milimetrewave Optical Smart Transceiver” project. M. H. Sousa acknowledges support from the Fundação para a Ciěncia e a Tecnologia (FCT) of Portugal through a Doctoral Fellowship (SFRH/BD/1325/2000).