About KIKUCHI Nobuhiko
About Hitachi Ltd., Tokyo, JPN
About MANDAI Kohei
About Hitachi Ltd., Tokyo, JPN
About SEKINE Kenro
About Hitachi Communication Technol., Ltd., Kanagawa, JPN
About SASAKI Shinya
About Hitachi Ltd., Tokyo, JPN
About Journal of Lightwave Technology
About optical communication
About equalizer
About adaptive equalization
About ASK
About DPSK
About multiplex
About nonlinear distortion
About QAM (signal)
About intersymbol interference
About incoherent light
About optical modulation
About multi-level
About strain
About ISI
About Optical communication systems and equipment
About Modulation and demodulation systems