Design and Fabrication of 40 Gbps-NRZ SOA-MZI All-Optical Wavelength Converters with Submicron-Width Bulk InGaAsP Active Waveguides. - Yasunori Miyazaki; Kazuhisa Takagi; Keisuke Matsumoto; Toshiharu Miyahara; Tatsuo Hatta; Satoshi Nishikawa; Toshitaka Aoyagi; Kuniaki Motoshima (IEICE Trans. Electron., 2007)