Junjie Ding, Chen Wang, Zhou Ju, Bowen Zhu, Bohan Sang, Bo Liu, Jianjun Yu. [J]. Laser & Optoelectronics Progress, 2023, 60(7): 0736002
- Laser & Optoelectronics Progress
- Vol. 60, Issue 7, 0736002 (2023)
Fig. 1. Experimental setup of 80-channel coherent WDM transmission
Fig. 2. Photographs of the experimental setup comprising 80 ECLs and a 4×100 km fiber link with Raman amplifiers
Fig. 3. Spectra. (a) WDM signals fiber launch spectrum; (b) output spectrum after fiber transmission with Raman amplification
Fig. 4. Schematic overview of NN equalizer based on CNN-LSTM-FC structure
Fig. 5. Received OSNR versus wavelength
Fig. 6. BER of all 80 channels after fiber transmission
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