About TAKESUE Hiroki
About NTT Corp., Kanagawa, JPN
About NAM Sae Woo
About National Inst. of Standards and Technol., Colorado, USA
About ZHANG Qiang
About Stanford Univ., California, USA
About HADFIELD Robert H.
About National Inst. of Standards and Technol., Colorado, USA
About HONJO Toshimori
About NTT Corp., Kanagawa, JPN
About TAMAKI Kiyoshi
About NTT Corp., Kanagawa, JPN
About YAMAMOTO Yoshihisa
About Stanford Univ., California, USA
About YAMAMOTO Yoshihisa
About National Inst. of Informatics, Tokyo, JPN
About Nature Photonics
About cryptography key
About optical fiber
About niobium compound
About nanowire
About superconductor
About key distribution
About transmission loss
About Safety
About photon
About photodetector
About single photon
About niobium nitride
About quantum key
About Other optical transmission devices
About Code theory
About 超伝導単一光子検出器
About 伝送路
About 損失
About 量子鍵配送