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<p>The manuscript presents the design and investigation of a dual-port 4 × 4 plasmonic MIMO antenna using aluminium and copper on a silicon dioxide substrate for nanophotonic applications. Initially, the plasmonic properties of the materials, such as permittivity and refractive index, are studied using Drude and Lorentz equations. It is observed that the designed hexagonal-shaped plasmonic MIMO antenna radiates at multiple frequencies. The single-port aluminium and copper MIMO antennas are radiating at 86 and 4 THz with a minimum reflection level of -32.13 dB and − 43.39 dB, respectively. Furthermore, these antennas show a gain value of 5.625 dBi and 7.10 dBi, respectively, at the resonance. Additionally, the dual-port aluminium and copper antennas exhibit gains of 18.9 dBi and 9.9 dBi at 36 and 35 THz, respectively. The MIMO performance metrics, such as ECC, DG, MEG, CCL and TARC of both single and dual-port antennas, are within the desirable limit required for the nanophotonic communication. Further, the designed nanophotonic circuit of the hexagonal MIMO antenna is compared with the finite integration technique.</p>

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Modelling of hexagonal-shaped 4 × 4 MIMO plasmonic antenna for nanophotonic applications

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年9月25日

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  • S. Kavitha,
  • Ashish Singh,
  • Mohammad Aneesh,
  • Ravi Shankar Saxena

摘要

The manuscript presents the design and investigation of a dual-port 4 × 4 plasmonic MIMO antenna using aluminium and copper on a silicon dioxide substrate for nanophotonic applications. Initially, the plasmonic properties of the materials, such as permittivity and refractive index, are studied using Drude and Lorentz equations. It is observed that the designed hexagonal-shaped plasmonic MIMO antenna radiates at multiple frequencies. The single-port aluminium and copper MIMO antennas are radiating at 86 and 4 THz with a minimum reflection level of -32.13 dB and − 43.39 dB, respectively. Furthermore, these antennas show a gain value of 5.625 dBi and 7.10 dBi, respectively, at the resonance. Additionally, the dual-port aluminium and copper antennas exhibit gains of 18.9 dBi and 9.9 dBi at 36 and 35 THz, respectively. The MIMO performance metrics, such as ECC, DG, MEG, CCL and TARC of both single and dual-port antennas, are within the desirable limit required for the nanophotonic communication. Further, the designed nanophotonic circuit of the hexagonal MIMO antenna is compared with the finite integration technique.