Background
Yasuharu Suematsu was born on September 22, 1932, in Gifu, Japan.
末松 安晴
Yasuharu Suematsu was born on September 22, 1932, in Gifu, Japan.
He received both his Bachelor of Surgery (1955) and Doctor of Philosophy (1960) from the Tokyo Institute of Technology.
Afterwards, he joined the faculty of the Tokyo Institute of Technology as a professor, and became its president in 1989. Later he also held the positions as first President of the newly founded Kochi University of Technology and later became Director General of the National Institute of Informatics. He authored at least 19 books and more than 260 scientific papers.
Professor Suematsu is best known for his contributions to the development of optical fiber communication.
He developed semiconductor lasers which even under high-speed modulation produce light at a stable wavelength which coincides with the wavelength region where the optical losses of fibers reach its minimum.