The frequency of coherent terahertz waves radiated from a single superconducting emitter can be electronically modulated on a chip with up to 40 GHz bandwidth, paving the way for high-data-rate and ultrafast terahertz wireless communications.
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Delfanazari, K. On-chip coherent terahertz emitters with gigahertz modulation. Nat. Photon. 18, 214–215 (2024). https://doi.org/10.1038/s41566-024-01399-x
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DOI: https://doi.org/10.1038/s41566-024-01399-x