- 1991.12- now Xi 'an Jiaotong University/Electronic Science and Technology, Assistant Professor, Lecturer, Associate Professor, unusual Professor.
- 2000.03-2003.12 Senior Visiting Scholar, State Key Laboratory of Integrated Optics, Beijing Institute of Semiconductors, Chinese Academy of Sciences.
- 2000.10-2004.11 State Key Laboratory of Transient Optics and Technology/Optics, Xi 'an Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Postdoctoral Fellow, Co-supervisor: Academician Hou Xun
- 2006.08-2007.08 Visiting Scholar, Biomedical Photonics, Oklahoma State University, USA Collaborating Professor: Prof. Daching Piao
- 2017.10-2018.04 Senior Visiting Scholar, Laboratoire Charles Fabry, CNRS, Institut d'Optique, France, Co-Professor: Prof. Francois Goudail




