Polymer/silica hybrid waveguide Y-branch power splitter with loss compensation based on NaYF4:Er3+, Yb3+ nanocrystals

Polymer/silica hybrid waveguide Y-branch power splitter with loss compensation based on NaYF₄:Er³⁺, Yb³⁺ nanocrystals

Fu Yue-Wu¹, Sun Tong-He¹, Zhang Mei-Ling², Zhang Xu-Cheng¹, Wang Fei^{1, †}, Zhang Da-Ming¹

(a) The TEM image of NaYF₄:Er³⁺, Yb³⁺ nanocrystals (b) histogram of particle size distribution.