Ji-Jun Wang received the B.S. degree in physics from Tianjin University, Tianjin, China, in 1986, the M.S. in power electronics and power drives from Jiangsu University, Zhenjiang, China, in 2003, and Ph.D. degrees in optical engineering from Nanjing University of Science and Technology, Nanjing, China, in 2008, respectively. In 2004，he participated in the project of the National Natural Science Foundation of China (NSFC), (60208004). He is currently a professor of Department of Physics, Jiangsu University. His research interests include laser physics, design and application of antennas, theory and design of optoelectronic devices and optical communication.