Modeling Terahertz Patch Antenna Using the Wave Concept Iterative Process in Frequency Range 6–15 THz

Our study introduces a novel technique for modeling terahertz (THz) patch antennas called the wave concept iterative process (WCIP) method. It is widely recognized for its effectiveness in analyzing complicated electromagnetic structures, especially those that fall within the THz frequency range. We describe in detail the WCIP method for antenna design, highlighting its mathematical foundations and computational aspects. Simulations demonstrate the effectiveness of WCIP in revealing the electromagnetic behavior of THz patch antennas, providing a comprehensive view of performance parameters. The discussion rigorously analyzes the results, by comparing the return loss results over different iterations to increase accuracy. Calculated parameters include S11 for a bandwidth of 2 THz at the resonant frequency of 9.91 THz, VSWR, impedance, admittance. The antenna is designed with a small-scale dimension, measuring 47.9 × 37.7 × 5 µm3 and is constructed using Rogers RT/Duroid material. Our work advances the understanding of THz patch antennas, providing a robust method through WCIP with applications in communication or medicine. Future research directions propose optimizing the application of WCIP in THz antenna analysis by integrating machine learning approaches.