World's first demonstration of terahertz signal transparent relay and switching

https://techxplore.com/news/2023-06-world-terahertz-transparent-relay.html

"low-loss optical modulator direct conversion THz to optical and adaptive ultrafast switching wireless... signals switched to different access points switching tunable laser wavelengths... transmission capacity 32 Gb/s 4-quadrature amplitude modulation orthogonal frequency division multiplex... transparently relaying and distributing signals to different locations, high free-space and penetration losses of radio signals overcome, and communication coverage extended... energy savings and interference reduction"

Related: Researchers demonstrate noise-free communication with structured light

https://phys.org/news/2023-06-noise-free-communication.html