Polymer waveguide thermo-optical switch with loss compensation based on NaYF4: 18% Yb3+, 2% Er3+ nanocrystals*

Project supported by the National Natural Science Foundation of China (Grant Nos. 61475061 and 61575076).
Xing Gui-Chao, Zhang Mei-Ling, Sun Tong-He, Fu Yue-Wu, Huang Ya-Li, Shao Jian, Liu Jing-Rong, Wang Fei †, Zhang Da-Ming
       

(color online) Single-mode optical field distribution for the TM waveguide mode simulated by Rsoft BeamPROP: (a) before thermal modulation, at a wavelength of 1530 nm, (b) before thermal modulation, at a wavelength of 980 nm, and (c) after thermal modulation, at a wavelength of 1530 nm.