WEI Zhihu, received his B.S. degree in communication engineering from PLA University of Science and Technology, Nanjing, China in 2008. He is currently working toward his Ph.D. degree. His current research interests include microwave photonics, radio over fibre, microwave generation and fibre bragg grating. WANG Rong, a Professor, received his M.S. degree in communication engineering from PLA University of Science and Technology, Nanjing, China in 1988. His current research interests include fibre communication and optical processing, Email: wr-njice@163.com PU Tao, an Associate Professor of Institute of Communications Engineering, PLA University of Science and Technology, Nanjing, China. His current research interests include radio over fibre, fibre bragg grating and OCDMA. SUN Guodan, received her B.S. degree in communication engineering from PLA University of Science and Technology, Nanjing, China in 2007. She is currently working toward her Ph.D. degree. Her current research interests include radio over fibre and fibre bragg grating . FANG Tao, an Associate Professor of Institute of Communications Engineering, PLA University of Science and Technology, Nanjing, China. His current research interests include fibre communication systems and microwave generation. The corresponding author. Email: juence@163.com