Integrated recurrent optical spectral slicer for equalization of 100-km C-band IM/DD transmission

Teofilovic, I.I.TeofilovicSozos, K.K.SozosLiu, H.H.LiuMalhouitre, S.S.MalhouitreGarcia, S.S.GarciaSarantoglou, G.G.SarantoglouBienstman, PeterPeterBienstmanCharbonnier, B.B.CharbonnierMesaritakis, C.C.MesaritakisVigliar, C.C.VigliarPetropoulos, P.P.PetropoulosBogris, A.A.BogrisDa Ros, F.F.Da Ros2026-06-082026-06-082025979-8-3315-9532-6https://imec-publications.be/handle/20.500.12860/59637A silicon-photonics recurrent spectral filter is designed, fabricated, and system tested to pro-vide optical pre-processing in a 32-GBd PAM-4 C-band transmission. Performance below FEC is re-ported for up to 100 km reach.engIntegrated recurrent optical spectral slicer for equalization of 100-km C-band IM/DD transmissionProceedings paper10.1109/ecoc66593.2025.11263068WOS:001680185000146