About KOBAYASHI J
About NTT Opto-electronics Lab., Tokyo, JPN
About MATSUURA T
About NTT Sci. and Core Technol. Lab. Groups, Tokyo, JPN
About SASAKI S
About NTT Sci. and Core Technol. Lab. Groups, Tokyo, JPN
About MARUNO T
About NTT Opto-electronics Lab., Tokyo, JPN
About Journal of Lightwave Technology
About optical circuit
About Other optical transmission devices
About Optical waveguide,optical fibers,and fiber optics
About ポリイミド
About 導波路
About 方向性結合器