G.J. Pendock

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Using 10-Gbit/s signals, amplitude modulated with either a return-to-zero (RZ) or a nonreturn-to-zero format (NRZ), we measured optically preamplified receiver sensitivity after distortion by polarization-made dispersion (PMD). RZ modulation was found to be more resilient to PMD than NRZ modulation.
We provide both theoretical and experimental results to demonstrate the use of regularized least-squares to relax the bandwidth requirement on a scanning filter based optical channel monitor. In addition, the robustness and sensitivity issues have also been considered in this paper.
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