%0 Journal Article %T Coherent power amplification of third-order harmonic femtosecond pulses at thin-film up-conversion nanoparticles %A Gao, Yi %A Lee, Hyub %A Xu, Wen %A Jiao, Jiannan %A Chen, Peng %A Kim, Dong-Hwan %A Kim, Young-Jin %J Scientific Reports %V 9 %N 1 %P 1-9 %D 2019-03-25 %I Nature Publishing Group UK %~ DeepDyve