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<p>This paper develops the 4-port graphene-silicon antenna in the THz frequency range. Two-diagonally placed S-formed patches excited silicon ceramic, and two stair aperture excited silicon pieces make up the designed multi-port radiator. To lessen the disruption from the field elements, these two distinct kinds of antenna components are designed to illuminate in complementary directions. This feature could potentially provide a stable wireless connection. With the assistance of change in the chemical potential of graphene coating, the proposed aerial becomes frequency tunable. Circular waves are produced from all ports in such a way (polarization diversity) to advance the separation level and diversity functioning. Designed THz aerial works in between 3.2 and 3.82 THz having inter-port separation above 30&#xa0;dB. The observed coinciding axial ratio (AR) range of the suggested multi-port aerial is 0.4 THz (3.38–3.78 THz). This design may be used for THz built 6G communication systems because of all these qualities.</p>

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Four-port Silicon-Graphene Built Frequency Agile Circularly Polarized Nano-plasmonic Antenna in THz Regime with Bidirectional Pattern Diversity

  • 期刊论文

  • 发表日期：

    2025年6月3日

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  • M. Lakshmi Narasimha Charyulu,
  • M. Ramana Reddy,
  • Vivek Singh Kushwah,
  • P. Narahari Sastry,
  • A. Krishna Kumar,
  • Kapil Jain

摘要

This paper develops the 4-port graphene-silicon antenna in the THz frequency range. Two-diagonally placed S-formed patches excited silicon ceramic, and two stair aperture excited silicon pieces make up the designed multi-port radiator. To lessen the disruption from the field elements, these two distinct kinds of antenna components are designed to illuminate in complementary directions. This feature could potentially provide a stable wireless connection. With the assistance of change in the chemical potential of graphene coating, the proposed aerial becomes frequency tunable. Circular waves are produced from all ports in such a way (polarization diversity) to advance the separation level and diversity functioning. Designed THz aerial works in between 3.2 and 3.82 THz having inter-port separation above 30 dB. The observed coinciding axial ratio (AR) range of the suggested multi-port aerial is 0.4 THz (3.38–3.78 THz). This design may be used for THz built 6G communication systems because of all these qualities.