Scientists develop meta-devices for secure 6G communications

City University of Hong Kong (CityU) recently developed a revolutionary meta-device capable of controlling the radiation direction and area of tunable terahertz (THz) beams. Rotating its metasurface allows the device to quickly direct 6G signal directly towards an assigned receiver, minimizing power leakage while improving privacy. It is expected to become an adjustable, directional, and highly secure device for future 6G communications.

THz-band technology holds immense promise, as it boasts ample spectrum resources to support 100 Gbps and even Tbps (terabits/second) ultrahigh speeds for wireless communications – hundreds to thousands faster than 5G’s data rate. 

Exciting prospects

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