Terahertz 3-8 Decoder Using Graphene-Based Triple-Meander-Line Filter Metasurface Article Swipe

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Guang Zhao , Xinxin Zhang , Mingxuan Guo , Huirong Wang , Yifan Tang , Quan Li ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.1088/2053-1591/ae2432

This study proposes a terahertz metasurface decoder based on a triple-meander-line filter structure. By incorporating controllable openings into each level of the triple-meander-line metallic arms, a structure combination logic analogous to a 3-8 decoder is achieved, enabling multi-state terahertz response modulation. Simulation results demonstrate distinct frequency-domain characteristics within the frequency range of 0.303-0.576 THz across different structural configurations. On this basis, graphene is further integrated as a dynamically tunable functional material within the gap regions. Through Fermi energy modulation, controllable conductive switching is realized without geometric alteration, enabling a dynamically reconfigurable terahertz 3-8 decoder. This work establishes a novel design paradigm and theoretical framework for terahertz metamaterial devices featuring logic-mapping functionality, high reconfigurability, and electrical tunability, with significant potential for advanced applications.

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Electronic Engineering

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Terahertz radiation Metamaterial Optoelectronics Electrical conductor Filter (signal processing) Terahertz metamaterials Terahertz gap Materials science Physics Electronic engineering Optics Computer science Energy (signal processing) Range (aeronautics) Graphene Metamaterial absorber Far-infrared laser Fermi energy Band-pass filter Split-ring resonator Optical filter Logic gate Photomixing

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Landing Page: https://doi.org/10.1088/2053-1591/ae2432
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DOI: https://doi.org/10.1088/2053-1591/ae2432

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Title: Terahertz 3-8 Decoder Using Graphene-Based Triple-Meander-Line Filter Metasurface

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Publication year: 2025

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Publication date: 2025-11-25

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Authors: Guang Zhao, Xinxin Zhang, Mingxuan Guo, Huirong Wang, Yifan Tang, Quan Li

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Concepts: Terahertz radiation, Metamaterial, Optoelectronics, Electrical conductor, Filter (signal processing), Terahertz metamaterials, Terahertz gap, Materials science, Physics, Electronic engineering, Optics, Computer science, Energy (signal processing), Range (aeronautics), Graphene, Metamaterial absorber, Far-infrared laser, Fermi energy, Band-pass filter, Split-ring resonator, Optical filter, Logic gate, Photomixing

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