The phase of terahertz waves can now be precisely modulated electronically using a chip-based digitally coded phase shifter. The achievement is a step towards chip-scale integrated terahertz technology.
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Fedotov, V. Phase control of terahertz waves moves on chip. Nat. Photon. 15, 715–716 (2021). https://doi.org/10.1038/s41566-021-00887-8
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DOI: https://doi.org/10.1038/s41566-021-00887-8