Yasuharu Suematsu (末松 安晴, Suematsu Yasuharu; born September 22, 1932) is a Japanese electrical engineer who is recognised for his contributions to developments in fiber-optic communication technology. His research in the field of electromagnetic radiation concerning dynamic single-mode lasers has also been cited in several academic and technical studies. Suematsu is professor emeritus at the Institute of Science Tokyo.
Source: “Yasuharu Suematsu”, English Wikipedia (CC BY-SA 4.0), excerpt