Hirokazu Yamane, Mayo Kawahara, Genta Takatoki, Masataka Taguchi, Yasuhiro Yamasaki, Toshihiko Nagamura. Photon Upconversion Dyes System with Red to Yellow Wavelength Conversion Function. IEICE Transactions, 102-C(2):107-112, 2019. [doi]
Abstract is missing.