About SAKAMAKI Yohei
About NTT Corp., Kanagawa, JPN
About SAIDA Takashi
About NTT Corp., Kanagawa, JPN
About HASHIMOTO Toshikazu
About NTT Corp., Kanagawa, JPN
About TAKAHASHI Hiroshi
About NTT Corp., Kanagawa, JPN
About Journal of Lightwave Technology
About wavefront
About matching
About optical circuit
About optical waveguide
About branch circuit
About Technology
About refractive index
About QPSK
About modulator
About phase shifter
About planar lightwave circuit
About planar lightwave circuit
About design technique
About optical splitter
About DQPSK
About Optical waveguide,optical fibers,and fiber optics
About 波面
About マッチング
About 設計
About 低損失
About 導波路