Chinese Optics, Volume. 18, Issue 1, 114(2025)
Nonlinear equalizer based on neural network in high-speed optical fiber communication systems
Fig. 1. Schematic diagram of a fully connected neural network equalizer
Fig. 2. Schematic diagram of decision feedback neural network equalizer
Fig. 3. Schematic diagram of experimental setup of 56 Gbit/s PAM4 IM/DD system
Fig. 4. Performance comparison of the equalizer under back-to-back transmission
Fig. 5. Performance comparison of various equalizers at different transmission distances. (a) 10 km；(b) 20 km；(c) 30 km
Fig. 6. Eye diagram obtained by using different algorithms. (a) Without Equalization; (b) VNLE; (c) CNN; (d) FCNN; (e) DFNN
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Han-qi ZHAO, Na LI, Bin WU, Gui-long WU, Yi-tong CHEN, Xiao-fang FENG, Pei-li HE, Wei LI. Nonlinear equalizer based on neural network in high-speed optical fiber communication systems[J]. Chinese Optics, 2025, 18(1): 114
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Received: Jun. 21, 2024
Accepted: Aug. 30, 2024
Published Online: Mar. 14, 2025
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