Abstract
—We introduce a novel topological valley photonic crystal antenna, designed on a silicon-on-insulator platform, operating at 193.5 THz with the efficiency of 80%. By lever-aging the unique properties of valley-polarized edge modes, this antenna achieves robust and efficient radiation, exceptional resilience to structural imperfections, and precise control over light propagation. The proposed design exemplifies high-performance capabilities, marking a significant leap forward in the integration of topological photonics. This breakthrough opens new horizons for next-generation optical communication systems, advanced sensing technologies, and other transformative photonic applications.