About MATSUOKA SHINJI
About NTT 未来ねっと研
About NTT技術ジャーナル
About optical communication
About coherent light
About standardization
About digital communication
About optical fiber
About communication network
About communication technology
About technological review
About communication channel capacity
About transmission speed
About coherent optical communication
About Optical communication systems and equipment
About 大容量
About トランスポートネットワーク
About 経済
About コア
About メトロ