研究目的
Investigating the performance of artificial neural network-based nonlinear equalizers for PAM-4 transmissions using DMLs-on-Si.
研究成果
ANN-NLEs show promising performance for PAM-4 signals using DML-on-Si, with potential for further optimization to increase BER performance and/or reduce complexity.
研究不足
The study focuses on short-reach applications and interconnects, and the performance of ANN-NLEs is compared only with a reduced-complexity VNLE.
1:Experimental Design and Method Selection:
The study compares two ANN-NLEs with a reduced-complexity VNLE for PAM-4 transmissions.
2:Sample Selection and Data Sources:
28-GBaud signals over 2-km of single-mode fiber were used.
3:List of Experimental Equipment and Materials:
DMLs-on-Si, single-mode fiber, ANN-NLEs, VNLE.
4:Experimental Procedures and Operational Workflow:
The performance of ANN-NLEs and VNLE was evaluated based on bit-error rate (BER) performance.
5:Data Analysis Methods:
The training was performed using the mean-squared error and backpropagation.
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