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This paper introduces an innovative approach to enhance the performance of a terahertz (THz) patch antenna through the integration of metamaterials (MTM). The proposed design features a rectangular slotted patch antenna with a partial ground plane operating at 3.64 THz. Positioned on a silicon dioxide (SiO2) substrate with a dielectric constant of 4 and thickness of 2 µm, the antenna is complemented by a 6 × 5 MTM array placed on an FR4 substrate (dielectric constant of 4.2, thickness 2 µm) beneath it. This strategic integration significantly improves the antenna’s performance by enhancing impedance matching and directivity. The results show a notable reduction in return loss from −16.21 dB to −30.01 dB, a gain increase from 2.25 dB to 4.45 dB, and an improvement in directivity from 3.76 dB to 5.88 dB. All simulations were conducted using HFSS software. These enhancements demonstrate the potential of metamaterials to address the performance limitations of THz antennas, offering a promising solution for high-frequency applications.

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Novel Metamaterials Based Patch Antenna for 6G and Biomedical Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Siraj Younes,
  • Saidi Alaoui Kaoutar,
  • Foshi Jaouad

摘要

This paper introduces an innovative approach to enhance the performance of a terahertz (THz) patch antenna through the integration of metamaterials (MTM). The proposed design features a rectangular slotted patch antenna with a partial ground plane operating at 3.64 THz. Positioned on a silicon dioxide (SiO2) substrate with a dielectric constant of 4 and thickness of 2 µm, the antenna is complemented by a 6 × 5 MTM array placed on an FR4 substrate (dielectric constant of 4.2, thickness 2 µm) beneath it. This strategic integration significantly improves the antenna’s performance by enhancing impedance matching and directivity. The results show a notable reduction in return loss from −16.21 dB to −30.01 dB, a gain increase from 2.25 dB to 4.45 dB, and an improvement in directivity from 3.76 dB to 5.88 dB. All simulations were conducted using HFSS software. These enhancements demonstrate the potential of metamaterials to address the performance limitations of THz antennas, offering a promising solution for high-frequency applications.