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To enhance the coupling of terahertz (THz) fields in a novel field-effect THz detector, this study proposes a method for localized THz field enhancement based on meta-atoms constructed from split-ring resonators. By integrating these meta-atoms with traditional on-chip antennas, an additional Fano resonance is introduced, which amplifies the local electric field coupled within the transistor channel. Our research provides a significant theoretical foundation for the detection of trace substances in the THz range.

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Meta-Atom-Based Ultra-Enhanced Localized Field Coupler for Terahertz Detectors

  • 会议论文

  • 发表日期：

    2025年

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  • Yihao Li,
  • Shengji Wang,
  • Zhengyang You,
  • Yinong Xie,
  • Xiaojiao Deng,
  • Xinhua Li

摘要

To enhance the coupling of terahertz (THz) fields in a novel field-effect THz detector, this study proposes a method for localized THz field enhancement based on meta-atoms constructed from split-ring resonators. By integrating these meta-atoms with traditional on-chip antennas, an additional Fano resonance is introduced, which amplifies the local electric field coupled within the transistor channel. Our research provides a significant theoretical foundation for the detection of trace substances in the THz range.