Author Affiliations

Yan-Jun Qian,¹ Hui Liu,¹ Qi-Tao Cao,¹ Julius Kullig,² Kexiu Rong,¹ Cheng-Wei Qiu,³ Jan Wiersig,² Qihuang Gong,^1,4 Jianjun Chen,⁵ and Yun-Feng Xiao^1,4,*

¹State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University, 100871, Beijing, China

²Institute for Physics, Otto von Guericke University Magdeburg, D-39016 Magdeburg, Germany

³Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583, Singapore

⁴Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

⁵Department of Physics and Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing, 100875 China

^*Corresponding author: yfxiao@pku.edu.cn