About HIROTA Osamu
About Tamagawa Univ., Tokyo, JPN
About OHHATA Kenichi
About Kagoshima Univ., Kagoshima, JPN
About HONDA Makoto
About Tamagawa Univ., Tokyo, JPN
About HONDA Makoto
About Hitachi Information and Communication Engineering Ltd, Yokohama, JPN
About AKUTSU Shigeto
About Tamagawa Univ., Tokyo, JPN
About AKUTSU Shigeto
About Hitachi Information and Communication Engineering Ltd, Yokohama, JPN
About DOI Yoshifumi
About Tamagawa Univ., Tokyo, JPN
About DOI Yoshifumi
About Hitachi Information and Communication Engineering Ltd, Yokohama, JPN
About HARASAWA Katsuyoshi
About Tamagawa Univ., Tokyo, JPN
About HARASAWA Katsuyoshi
About Hitachi Information and Communication Engineering Ltd, Yokohama, JPN
About YAMASHITA Kiichi
About Kagoshima Univ., Kagoshima, JPN
About Proceedings of SPIE
About Ethernet
About satellite communication
About quantum cryptography
About cryptography key
About demonstration experiment
About protocol
About secret key cryptosystem
About limit
About communication channel capacity
About ASK
About digital to analog converter
About signal transmission
About security
About quantum effect
About necessary condition
About Information Theory
About optical communication
About communication network
About computer application
About cryptographic protocol
About optical network
About Cloud Computing
About satellite communication channel
About stream cipher
About Shannon limit
About long distance transmission
About Code theory
About Optical communication systems and equipment
About Ethernet
About 衛星リンク
About 量子
About ストリーム暗号
About 実験