NTT and Chunghwa Telecom launch all-optical link between Japan, Taiwan

First international connection using the Japanese company's next-gen tech

NTT and Chunghwa Telecom held a ceremony to mark the new connection between Japan and Taiwan using next-generation IOWN technology, at Musashino, Tokyo, on Aug. 29. (Photo by Kaoru Takatsuki)

KAORU TAKATSUKI, Nikkei staff writer

August 30, 2024 00:59 JST

TOKYO -- NTT and Taiwan's Chunghwa Telecom have activated a communications network between Tokyo and Taipei using the Japanese company's IOWN technology, achieving ultra-high speeds, the companies announced Thursday.

Communication was achieved between a Nippon Telegraph and Telephone research facility in Musashino, Tokyo, and a Chunghwa data center about 3,000 kilometers away in about 17 milliseconds. With current optical lines, the transmission would take about 200 milliseconds to 500 milliseconds.