@article{CTT100721424, author = {Ken Yamamoto and Ryoutarou Togawa and Ryushi Fujimura and Kotaro Kajikawa}, title = {Local temperature variation measurement by anti-Stokes luminescence in attenuated total reflection geometry}, journal = {Optics Express}, year = 2016, } @article{CTT100721373, author = {Pham Tien Thanh and Ken Yamamoto and Ryushi fujimura and Kotaro Kajikawa}, title = {All optical bistability device with counterclockwise hysteresis using twisted nematic liquid crystals on metal–insulator–metal structure}, journal = {Japanese Journal of Applied Physics}, year = 2014, }