NEC leverages light beam solution

NEC Corporation has claimed to have achieved Japan’s “longest terrestrial wireless optical communication,” over more than ten kilometres.

Photo credit: Adobe Stock/Bogdan Lazar

The company has also conducted FSO communications between an observation deck at Tokyo Skytree and a location on the ground, approximately three kilometres away. The Skytree is the tallest structure in Japan.

Describing the technology, a spokesperson said: “FSO is a wireless communication method that enables high-speed and high-capacity communication, compared to radio waves. It transmits and receives light beams without using physical paths such as optical fibres.

“Additionally, it has high directionality and does not spread beams. This results in low risk of interception by third parties, reduced interference and congestion in communication, and no need for radio wave usage permits.”