About KUROKAWA Kenji
About NTT Access Network Systems Lab., Ibaraki, JPN
About TAJIMA Katsusuke
About NTT Access Network Systems Lab., Ibaraki, JPN
About NAKAJIMA Kazuhide
About NTT Access Network Systems Lab., Ibaraki, JPN
About Journal of Lightwave Technology
About optical communication
About photonic crystal fiber
About Nonlinear optics
About Optical waveguide,optical fibers,and fiber optics
About Optical communication systems and equipment
About 光通信
About PCF
About パルス発生