Broadband control of polarization mode dispersion

Details Broadband control of polarization mode dispersion Broadband control of polarization mode dispersion

H - Electricity

04

B

H04B 10/18 (2006.01) H04B 10/08 (2006.01)

Patent

CA 2436309

A method and system is provided for compensating polarization mode dispersion (PMD) in an optical communications system includes a controller designed to control a broadband PMD compensator to differentially delay light at each one of a plurality of selected wavelengths. At least one of the selected wavelengths lies between an adjacent pair of channel wavelengths of the optical communications system. A performance parameter value indicative of PMD is measured at each channel wavelength of the optical communications system. An estimated performance parameter value is then calculated at each selected wavelength, and an error function calculated as a function of wavelength based on the estimated performance parameter values. The broadband PMD compensator is then controlled to minimize the value of the error function.

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