1994.7- 1996.6 worked as a postdoctoral fellow in xidian university electronic and communication postdoctoral mobile station; 65438+/kloc-0 was named associate professor in June 1996; I left the station and worked in the School of Applied Mathematics and Science of Beijing University of Technology. 1998.8-2000.8 was invited to be a postdoctoral fellow at Weizmann Institute of Science in Israel, engaged in the research of multi-wavelength optical processing system. In July 2000, he was named a professor, and in February 2002, he was named a doctoral supervisor. Now he is a member of American Optical Society (OSA) and International Optical Engineering Society (SPIE), and a member of chinese optical society Holographic and Optical Information Processing Committee and Optoelectronic Technology Committee.