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

2025/07/15 by Isidora Teofilović, Teofilovic, I., K. Sozos +23
Engineering · #Optical Network Technologies #Advanced Photonic Communication Systems #Photonic and Optical Devices

paper · pdf · doi:10.48550/arxiv.2507.11654

Abstract

A 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.

Citations

• Beyond Terabit/s Integrated Neuromorphic Photonic Processor for DSP-Free Optical Interconnects
• Recent Advances on Machine Learning-aided DSP for Short-reach and Long-haul Optical Communications
• Experimental Investigation of a Recurrent Optical Spectrum Slicing Receiver for Intensity Modulation/Direct Detection systems using Programmable Photonics

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