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A novel DOP-feedback PDL measurement method

A novel polarization dependence loss (PDL) measurement approach using the degree of polarization (DOP) feedback signal has been introduced in this paper. Both the theoretical analysis and the experimental simulation show that, while maintaining a very acceptable level of measurement accuracy, this PDL measurement method could effectively reduce the measurement time. In comparison with the current PDL measurement technologies, the most prominent property of our method is that it could provide different PDL measurement accuracy and range by changing the value of polarization mode dispersion (PMD) element in the measurement setup.