New meta-devices could direct 6G data streams

https://www.optica-opn.org/home/newsroom/2023/march/new_meta-devices_could_direct_6g_data_streams/

"focus beams in 2 and 3 dimensions, energy-efficient, cheap, protecting privacy... data rates 2 orders magnitude... between 300 and 3000 GHz push transmission rates 1 TB/s... metasurfaces 30mm diameter and 1mm thick, 11k cuboid-shaped antennas imparts phase change on passing THz waves changing their direction stacking... rotate metasurfaces piezoelectric lead acid titanium ceramic... probed depth Airy beam focal spots... stable  focusing... secure, flexible, directional and very concentrated communication"

Related: A silicon photonic modulator supporting the 800G standard for high-speed data transmission

https://techxplore.com/news/2023-06-silicon-photonic-modulator-800g-standard.html