Small optical transponder for small satellites. - Morio Toyoshima; Hideki Takenaka; Yozo Shoji; Yoshihisa Takayama; Yoshisada Koyama; Maki Akioka (CSNDSP, 2010)

Satellite-to-ground optical communication system on Low Earth Orbit micro-satellite RISESAT. - Toshinori Kuwahara; Kazuya Yoshida; Yuji Sakamoto; Yoshihiro Tomioka; Kazufumi Fukuda; Masato Fukuyama; Nobuo Sugimura; Hiroo Kunimori; Hideki Takenaka; Morio Toyoshima; Tetsuharu Fuse; Toshihiro Kubooka (SII, 2012)

Free-space optical channel estimation for physical layer security. - Hiroyuki Endo; Mikio Fujiwara; Mitsuo Kitamura; Toshiyuki Ito; Morio Toyoshima; Yoshihisa Takayama; Hideki Takenaka; Ryosuke Shimizu; Nicola Laurenti; Giuseppe Vallone; Paolo Villoresi; Takao Aoki; et al. (CoRR, 2016)