Joint Fiber Nonlinear Noise Estimation, OSNR Estimation and Modulation Format Identification Based on Asynchronous

Shuailong Yang1, Liu Yang1, Fengguang Luo1

  • 1The School of Optics and Electronics Information, Huazhong University of Science and Technology, Wuhan 430074, China.

Summary

This study introduces asynchronous complex histogram-based multi-task artificial neural networks for simultaneous modulation format identification, OSNR, and nonlinear noise estimation in coherent optical systems. The novel approach achieves high accuracy across various modulation formats and long fiber links.

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