Author

A. Althuwayb

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Open access 2026

A Vanadium Dioxide Film-Based Polarization Switchable Sand-Clock Metasurface for THz Wireless Communications

This paper introduces a polarization-switchable metasurface (MTS) utilizing a sand-clock-shaped unit cell integrated with vanadium dioxide (VO2) for terahertz (THz) communication. The structure comprises a metallic sand-clock resonator, a VO2 phase-change layer between dielectric substrates, and a continuous gold groun...

A. Althuwayb, I. A. Khoso, Abdul Majeed et al. · IEEE Access · 0 citations

Open access Aug 2026

Compact wideband circularly polarized antenna and its self-decoupled MIMO configuration for 28-GHz band targeting 5G/6G millimeter-wave networks

A compact circularly polarized antenna optimized for broadband operation around the 28-GHz band is proposed, utilizing a ring-shaped radiator excited through a via-fed central patch which enables strong impedance matching and stable circular polarization.

A. Althuwayb, Sang-Min Lee, E. M. Ali et al. · Scientific Reports · 0 citations