Yasuhiko Arakawa Yasuhiko Arakawa Yasuhiko Arakawa (Japanese , "Arakawa Yasuhiko"; born 6 November 1952) is a Japanese physicist. His research focuses on semiconductor physics, including growth of nanostructures and their optoelectronic applications. Among his main achievements are the proposal of the concept of quantum dots and their application to quantum dot lasers, the observation of exciton-polariton Rabi-splitting in a semiconductor microcavity, or, recently, the first 3D photonic crystal nanocavity lasers with quantum dot gain. Yasuhiko Arakawa received a B.S. degree in 1975 and a Ph.D. degree in 1980, respectively, from the University of Tokyo, both in Electronics Engineering. In 1981 he became
Two Rivers Township, Morrison County, Minnesota Two Rivers Township, Morrison County, Minnesota Two Rivers Township is a township in Morrison County, Minnesota, United States. The population was 582 at the 2000 census. Two Rivers Township was organized in 1865, and named for the Two River. According to the United States Census Bureau, the township has a total area of 27.6 square miles (71.4 km²), of which 27.1 square miles (70.2 km²) of it is land and 0.5 square miles (1.2 km²) of it (1.74%) is water. State Highway 238; and Morrison County Roads 21, 24, 25, and 26 are five of the main routes in the