Transmission line switching technique based on active free-space optics system. - Takeshi Tsujimura; Shigeki Muta; Kiyotaka Izumi (IECON, 2013)

Laser beam tracking system for active free-space optical communication. - Shigeki Muta; Takeshi Tsujimura; Kiyotaka Izumi (SII, 2013)

Initial Alignment Scheme and Tracking Control Technique of Free Space Optics Laser Beam. - Takeshi Tsujimura; Shigeki Muta; Yuichiro Masaki; Kiyotaka Izumi (OPTICS, 2014)