800-Gbps PAM-4 2-km Transmission using $4-\lambda$ LAN-WDM TOSA with MLSE based on Deep Neural Network
- Resource Type
- Conference
- Authors
- Taniguchi, Hiroki; Yamamoto, Shuto; Masuda, Akira; Kisaka, Yoshiaki; Kanazawa, Shigeru
- Source
- 2022 Optical Fiber Communications Conference and Exhibition (OFC) Optical Fiber Communications Conference and Exhibition (OFC), 2022. :1-3 Mar, 2022
- Subject
- Communication, Networking and Broadcast Technologies
Photonics and Electrooptics
Deep learning
Maximum likelihood estimation
Neural networks
Channel estimation
Optical fiber communication
- Language
We propose an MLSE based on a deep neural network that estimates nonlinear channel responses. We demonstrate 224-Gbps/$\lambda$ 2-km transmission using $4-\lambda$ LAN-WDM TOSA and the proposed method with a BER below the HD-FEC limit. © 2022 The Authors