Experimental Demonstration of Robustness and Accuracy of A Dli-Based Osnr Monitor under Changes in the Transmitter and Link for Different Modulation Formats and Baud Rates
Optics letters/Optics index(2015)
Abstract
We experimentally studied the performance of a delay-line interferometer-based optical signal-to-noise ratio (OSNR) monitor that is pre-calibrated in optimal conditions for 25-Gbaud pol-muxed quadrature-amplitude-modulation (QAM) signals, when unpredicted changes outside the monitor occurred either in the transmitter or the link.
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