"Ken Yamamoto,Ryoutarou Togawa,Ryushi Fujimura,Kotaro Kajikawa","Local temperature variation measurement by anti-Stokes luminescence in attenuated total reflection geometry",,"Optics Express",,"Vol. 24",,"pp. 19026-19031",2016,July
"Pham Tien Thanh,Ken Yamamoto,Ryushi fujimura,Kotaro Kajikawa","All optical bistability device with counterclockwise hysteresis using twisted nematic liquid crystals on metal?insulator?metal structure",,"Japanese Journal of Applied Physics",,"Vol. 53",,"  092202",2014,Aug.