Haotian Ling received his BS degree in Microelectronics Science and Engineering and the PhD degree in Microelectronics and Solid state Microelectronics from Shandong University, Jinan, China, in 2015 and 2021, respectively. He is currently a research associate in QiLu Aerospace Information Research Institute, China. His research interests include terahertz, millimetre wave and microwave functional devices, graphene devices, metal oxide semiconductor devices, metamaterials, and their sensing applications.