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Photonics Research, Volume. 13, Issue 3, 593(2025)

Multi-frequency terahertz Smith–Purcell radiation via momentum-mismatch-driven quasi-bound states in the continuum

Zi-Wen Zhang1,2, Juan-Feng Zhu3, Feng-Yuan Han2, Xiao Lin4,5,6, and Chao-Hai Du1,2、*
Author Affiliations
  • 1Center for Carbon-based Electronics, School of Electronics, Peking University, Beijing 100871, China
  • 2State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics, Peking University, Beijing 100871, China
  • 3Science, Mathematics, and Technology (SMT), Singapore University of Technology and Design, Singapore 487372, Singapore
  • 4Interdisciplinary Center for Quantum Information, State Key Laboratory of Extreme Photonics and Instrumentation, ZJU-Hangzhou Global Scientific and Technological Innovation Center, College of Information Science & Electronic Engineering, Zhejiang University, Hangzhou 310027, China
  • 5International Joint Innovation Center, The Electromagnetics Academy at Zhejiang University, Zhejiang University, Haining 314400, China
  • 6e-mail: xiaolinzju@zju.edu.cn
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    Zi-Wen Zhang, Juan-Feng Zhu, Feng-Yuan Han, Xiao Lin, Chao-Hai Du, "Multi-frequency terahertz Smith–Purcell radiation via momentum-mismatch-driven quasi-bound states in the continuum," Photonics Res. 13, 593 (2025)

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    Paper Information

    Category: Nanophotonics and Photonic Crystals

    Received: Sep. 27, 2024

    Accepted: Dec. 4, 2024

    Published Online: Feb. 14, 2025

    The Author Email: Chao-Hai Du (duchaohai@pku.edu.cn)

    DOI:10.1364/PRJ.543505

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology