A Grey-box Model for Estimating Nonlinear SNR in Optical Networks Based on Physics-guided Neural Networks
Xiaomin Liu, Lei Liu, Huazhi Lun, Yihao Zhang, Lilin Yi, Weisheng Hu, Qunbi Zhuge · 2021
Based on physics-guided neural network, we design the features and loss function for estimating nonlinear SNR. With 1603 examples from simulations, a shallow neural network can have a higher accuracy and a better physical consistency.