Photonic Sampler for Millimeter-Wave Signals up to 70 GHz Using a 1-GHz Mode-Locked Laser and a Silicon Photonic Integrated Circuit

Amaro-losada LuciaBruynsteen, CedricCedricBruynsteenNiu, ShengpuShengpuNiuVan Kerrebrouck, JorisJorisVan KerrebrouckVan Gasse, KasperKasperVan GasseRudin, BenjaminBenjaminRudinEmaury, FlorianFlorianEmauryBrowning, ColmColmBrowningSingh, NishantNishantSinghYin, XinXinYin2026-03-162026-03-162025979-8-3315-0904-01099-4742https://imec-publications.be/handle/20.500.12860/58848This work presents a photonic RF-sampling system using a silicon-photonic PIC and a 1−GHz10.5−fs-jitter modelocked laser, demonstrating photonic downconversion, sampling, and demodulation of complex QAM signals at millimeter-wave frequencies up to 70 GHz, with potential for satellite communications.engPhotonic Sampler for Millimeter-Wave Signals up to 70 GHz Using a 1-GHz Mode-Locked Laser and a Silicon Photonic Integrated CircuitProceedings paper10.1109/sum65312.2025.11121813WOS:001583595800067CONVERSION