Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect

doi: 10.1186/s43074-025-00166-7

• Hang Xu¹ , 
• Jingguang Chen² , 
• Bo Wang^3,4 , 
• Hui Li¹ , 
• Chunyu Song¹ , 
• Qi Tan¹ , 
• Zhengyi Zhao¹ , 
• Wenzhe Liu^{2 ,  ,}  , 
• Lei Shi^{2 ,  ,}  , 
• Jie Li^{5 ,  ,}  , 
• Jianquan Yao^{1 ,  ,} 

• 1 Key Laboratory of Opto-Electronics Information Technology (Tianjin University), Ministry of Education, School of Precision Instruments and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China;

• 2 State Key Laboratory of Surface Physics, Key Laboratory of Micro- and Nano-Photonic Structures (Ministry of Education), and Department of Physics, Fudan University, Shanghai 200433, China;

• 3 Henan Key Laboratory of Quantum Materials and Quantum Energy, School of Quantum Information Future Technology, Henan University, Kaifeng, Henan 475004, China;

• 4 Institute of Quantum Materials and Physics, Henan Academy of Sciences, Zhengzhou 450046, China;

• 5 Information Materials and Device Applications Key Laboratory of Sichuan Provincial Universities, Chengdu University of Information Technology, Chengdu 610225, China