Intense green upconversion emission in Tb3+/Yb3+ co-doped alumino-germano-silicate optical fibers

Tb/Yb共掺的石英光纤的上转换绿光发光研究，研究了最佳浓度配比和发光机理。

This work was partially funded by grants No. 60907039, 60807034, 10874239 and 10604066 from the National Natural Science Foundation of China and by the “Hundreds of Talents Programs” from the Chinese Academy of Sciences. Aoxiang Lin and Jean Toulouse’s research work is being funded by a grant from the National Science Foundation (NSF), USA, No. DMR-0701526. Fiber fabrication and characterization were financially supported by the BK-21 Information Technology Project, Ministry of Education and Human Resources Development; by the National Core Research Center Program from the Ministry of Science and Technology (MOST)/Korea Science and Engineering Foundation (KOSEF) (R15-2006-022-02001-0); and by the GIST Top Brand Project (Photonics 2020), MOST, South Korea.