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The LiNbO3-based polarization controller is widely used, but it needs to be calibrated in order to cancel the remaining birefringence. The calibration of the LiNbO3 polarization controller is untrivial because there are several stages, and for each stage, at least four parameters, including VA, Bias, VC, Bias, V0, and V?? , need to be calibrated. A smart calibration approach is presented theoretically...
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