About KOSHIBA MASANORI
About 光技術コンタクト
About core structure
About research and development
About signal transmission
About telecommunication
About communication channel capacity
About optical communication
About optical fiber
About overlayer
About signal multiplex
About space diversity
About multiple access communication
About ring structure
About densification
About optimization
About interleave
About crosstalk (communication disturbance)
About multi-core optical fiber
About densification
About technological trend
About modification
About development trend
About space division multiplexing
About large capacity transmission
About long distance transmission
About Optical waveguide,optical fibers,and fiber optics
About Optical communication systems and equipment
About 大容量
About 長距離伝送
About マルチコア光ファイバ
About 研究
About 開発動向