About TSUCHIZAWA Tai
About Nippon Telegraph and Telephone Corp., Kanagawa, JPN
About YAMADA Koji
About Nippon Telegraph and Telephone Corp., Kanagawa, JPN
About WATANABE Toshifumi
About Nippon Telegraph and Telephone Corp., Kanagawa, JPN
About PARK Sungbong
About Nippon Telegraph and Telephone Corp., Kanagawa, JPN
About NISHI Hidetaka
About Nippon Telegraph and Telephone Corp., Kanagawa, JPN
About KOU Rai
About Nippon Telegraph and Telephone Corp., Kanagawa, JPN
About SHINOJIMA Hiroyuki
About Nippon Telegraph and Telephone Corp., Kanagawa, JPN
About ITABASHI Sei-ichi
About Nippon Telegraph and Telephone Corp., Kanagawa, JPN
About IEEE Journal of Selected Topics in Quantum Electronics
About optical communication
About photodetector
About silicon
About optical waveguide
About semiconductor integrated circuit
About attenuator (signal)
About Germanium
About optical integrated circuit
About cutoff frequency
About silicon dioxide
About silica
About arrayed waveguide
About monolithic integrated circuit
About optical attenuator
About Optical integrated circuits,integrated optics
About 通信応用
About 珪素
About ゲルマニウム
About シリカ
About 光学素子
About モノリシック集積