About FUJIWARA M
About Communications Res. Lab., Tokyo, JPN
About TAKEOKA M
About Communications Res. Lab., Tokyo, JPN
About MIZUNO J
About Communications Res. Lab., Tokyo, JPN
About SASAKI M
About Communications Res. Lab., Tokyo, JPN
About Physical Review Letters
About quantum theory
About 量子通信理論
About Quantum theory in general
About Communication theory in general
About Quantum optics in general
About 量子光
About チャネル
About 限界