Author Affiliations

Ming Zhou,^1,* Ling Lu,² Lei Shi,^3,4 Jian Zi,^3,4 and Zongfu Yu¹

¹Department of Electrical and Computer Engineering, University of Wisconsin – Madison, 53706 WI, USA

²Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

³Department of Physics, Key Laboratory of Micro- and Nano-Photonic Structures (MOE), and State Key Laboratory of Surface Physics, Fudan University, Shanghai 200433, China

⁴Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China

^*Corresponding author: mzhou34@wisc.edu