中文摘要：

e-mail： lanf98@tom.comFeng Lan was born in Sichuan Province, China, in 1977. He received the B.S. degree in electronic engineering and the M.S. degree in optics from University of Electronic Science and Technology of China （UESTC）, Chengdu, China, in 2000 and 2007, respectively. He is now alecturer with School of Physical Electronics, UESTC. His research interests include high power microwave and terahertz sources. gao_xi76@ 163.comXi Gao was born in Hunan Province, China, in 1977. He received the M.S. degree in optics from UESTC, Chengdu, China, in 2006. He is currently pursuing Ph.D. degree with School of Physical Electronics, UESTC. His research interests include photonic crystal and terahertz sources. shizongjun@ 163.comZong-Jun Shi was born in Sichuan Province, China, in 1974. She received the M.S. degree in optics from UESTC, Chengdu, China, in 2003. She is currently pursuing Ph.D. degree with School of Physical Electronics, UESTC. Her research interests include high power microwave and terahertz sources.