Launch Power Optimization refers to the process of determining the optimal power levels at which optical signals are transmitted in fiber-optic communication systems. This ensures that the signals can travel long distances with minimal distortion and signal loss, while avoiding the negative effects of nonlinearities such as four-wave mixing and cross-phase modulation, which can occur if the power is too high.

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Extension of the Local-Optimization Global-Optimization (LOGO) Launch Power Strategy to Multi-Band Optical Networks

We propose extending the LOGO strategy for launch power settings to multi-band scenarios, maintaining low complexity while addressing key inter-band nonlinear effects and accurate amplifier models. This methodology simplifies multi-band optical multiplex section control, providing an immediate, descriptive estimation of optimized launch power.