800-Gbit/s/carrier TPS-64QAM WDM Coherent Transmission over 2,400 km Utilizing Low-complexity Separated Pruning DNN-based Nonlinear Equalization

We experimentally demonstrated 800-Gbit/s/carrier WDM coherent transmission over 2,400-km based on 100-GBd truncated PS-64QAM utilizing 75%-sparsity pruning DNN-based nonlinear equalization. Results show that our pruning DNN-NLE with 24%-lower complexity outperforms Volterra NLE by 20% reach improvement.