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 Psychiatric Hospital private, free-standing psychiatric hospitals in the Kansas City area, the other being the Research Psychiatric Center. In September 2008 the Centers for Medicare and Medicaid Services (CMS) terminated Two Rivers' participation in Medicare. United Health appealed the decision and eventually agreed to a settlement requiring Two Rivers to retain an outside monitor for six months. Two Rivers Psychiatric Hospital Two Rivers Behavioral Health System is a psychiatric hospital located in Kansas City, Missouri. Opened in October 1986, the facility is operated as a private, for-profit, behavioral health hospital and is owned by Universal Health Services. Two Rivers Behavioral Health System