Ultra-compact, self-holding asymmetric Mach-Zehnder interferometer switch using Ge2Sb2Te5 phase-change material. - Takumi Moriyama; Daiki Tanaka; Paridhi Jain 002; Hitoshi Kawashima; Masashi Kuwahara; Xiaomin Wang; Hiroyuki Tsuda (IEICE Electron. Express, 2014)