
Fujitsu, NTT and NEC are jointly developing 400 Gbps/channel-class digital coherent optical transmissions technology.
The companies have undertaken a joint R&D project that aims to leverage the technological capabilities that have enabled the commercialization of 100Gbps-class optical transmission. The R&D initiative was commissioned and is sponsored by Japan's Ministry of Internal Affairs and Communications (MIC) as part of the "Research...