[1]2005.12-至今
Tsinghua University  | Dept. of Electronic Engineering  | Professor
[2]2000.7 - 2005.11
Tsinghua University  | Dept. of Electronic Engineering  | Associate Professor
[3]1998.8 - 2000.6
Tsinghua University  | Dept. of Electronic Engineering  | Lecture and Assistant Professor
[4]1986.8 - 1991.8
JiangNan Optical Instrument Factory, Nanjing  | Assistant Engineer