Modulating an electron beam with a frequency-beating laser enables a free-electron laser to generate high-power, narrowband terahertz pulses that can be continuously tuned from 7.8 to 30.8 terahertz.
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References
Leitenstorfer, A. et al. J. Phys. D 56, 223001 (2023).
Fülöp, J. A. et al. Adv. Opt. Mater. 8, 1900681 (2020).
Wu, X. et al. Adv. Mater. 35, 2208947 (2023).
Kawase, K. et al. Nucl. Instrum. Methods A 960, 163582 (2020).
Shevchenko, O. A. et al. AIP Conf. Proc. 2299, 020001 (2020).
Fisher, A. et al. Nat. Commun. 15, 7582 (2024).
Krasilnikov, M. et al. Phys. Rev. Accel. Beams 28, 030701 (2025).
Kang, Y. et al. Nat. Photon. https://doi.org/10.1038/s41566-025-01775-1 (2025).
Feng, C. et al. Optica 9, 785–791 (2022).
Yu, C. et al. IEEE Trans. Appl. Supercond. 34, 4101104 (2024).
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Kawase, K., Isoyama, G. Electron shaping for continuous terahertz coverage. Nat. Photon. 20, 1–2 (2026). https://doi.org/10.1038/s41566-025-01829-4
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DOI: https://doi.org/10.1038/s41566-025-01829-4
