About YAMAMOTO T
About NTT Corp., Kanagawa, JPN
About TAKARA H
About NTT Corp., Kanagawa, JPN
About KAWANISHI S
About NTT Corp., Kanagawa, JPN
About Electronics Letters
About optical communication
About millimeter wave
About Optical communication systems and equipment
About Oscillation circuits
About 局部発振器
About 調整可能
About ビート
About 信号光
About 発生器