About YAMADA T
About Ibaraki Electrical Communication Lab.
About TAKATO N
About Ibaraki Electrical Communication Lab.
About KUROKAWA T
About Ibaraki Electrical Communication Lab.
About Japanese Journal of Applied Physics. Part 2. Letters
About optical waveguide
About 立体光回路
About Optical waveguide,optical fibers,and fiber optics
About 立体
About 導波路
About 光回路