Faster long-distance data transmission is a step closer, according to a team of Chinese scientists who say they have transmitted high-definition video signals over more than a kilometre using terahertz wireless communication technology.
The experiment, led by Purple Mountain Observatory of the Chinese Academy of Sciences (CAS), was the world’s first successful application of high-sensitivity superconducting receiver technology in long-distance terahertz wireless communication systems, according to the observatory.
Terahertz (THz) radiation is an electromagnetic wave that lies between the microwave and infrared frequency bands, a relatively unoccupied part of the electromagnetic spectrum. Terahertz technology is known for being a powerful imaging tool for security screening and medical diagnostics.
It could also prove crucial for communication in space, according to the team, enabling massive real-time data transmission.
Scientists have been trying to overcome bottlenecks such as severe signal attenuation that hinders long-range terahertz communication.
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