Optimizing power setting in uncompensated 100G DP-QPSK transmission

The Gaussian Noise model radically simplifies the analysis of coherent systems over optical uncompensated links. It inspires two methods for the performance optimization acting on a per-span basis which lead to the same results within 0.2 dB accuracy. The considered setting rules are applied to links with random span length in order to understand performance improvements.

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