EPFL and Harvard develop hybrid lithium niobate photonic-terahertz chip for bi-directional conversion
Integrated photonic and terahertz circuits tested on a single chip. The gold mirror in the back collects generated terahertz radiation to sense different materials via spectroscopy (Image: 2025 EPFL / Alain Herzog)
EPFL says its new lithium niobate chip converts terahertz and optical pulses both ways, aiding future sensing and 6G systems with x5 bandwidth
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