Pu-Kun Liu received the Ph.D. degree in nuclear fusion and plasma physics from the Southwestern Institute of Physics, Chengdu, China, in 1995. From 1996 to 1998, he worked as a Postdoctoral Researcher at Peking University, Beijing, China, and at Tel Aviv University, Tel Aviv, Israel. From 1999 to 2000, he worked as an Alexander-von-Humboldt Research Fellow at Forschungszentrum Karlsruhe, Karlsruhe, Germany. From 2000 to 2013, he worked as a Research Professor at the Institute of Electronics, Chinese Academy of Sciences, Beijing, China. Since 2013, he has been a Full Professor with Tenure in the Department of Electronics, Peking University, Beijing, China.