Real-time All-optical Signal Equalisation with Silicon Photonic Recurrent Neural Networks

van Assche, RubenRubenvan AsscheMasaad, SarahSarahMasaadGooskens, EmmanuelEmmanuelGooskensSackesyn, StijnStijnSackesynvan Kerrebrouck, JorisJorisvan KerrebrouckYin, XinXinYinBienstman, PeterPeterBienstman2026-06-152026-06-152025979-8-3315-9532-6https://imec-publications.be/handle/20.500.12860/59689We experimentally demonstrate real-time all-optical equalisation of nonlinear fibre distortions using a silicon photonic recurrent neural network. A 28 Gbps OOK signal is equalised with BER below the GFEC threshold 5.8×10−5 for fibre links up to 50 kmengReal-time All-optical Signal Equalisation with Silicon Photonic Recurrent Neural NetworksProceedings paper10.1109/ecoc66593.2025.11262988WOS:001680185000066