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

Hang Xu,  Jingguang Chen,  Bo Wang,  Hui Li,  Chunyu Song,  Qi Tan,  Zhengyi Zhao,  Wenzhe Liu,  Lei Shi,  Jie Li,  Jianquan Yao

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Hang Xu, Jingguang Chen, Bo Wang, Hui Li, Chunyu Song, Qi Tan, Zhengyi Zhao, Wenzhe Liu, Lei Shi, Jie Li, Jianquan Yao. Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect[J]. PhotoniX. doi: 10.1186/s43074-025-00166-7
引用本文: Hang Xu, Jingguang Chen, Bo Wang, Hui Li, Chunyu Song, Qi Tan, Zhengyi Zhao, Wenzhe Liu, Lei Shi, Jie Li, Jianquan Yao. Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect[J]. PhotoniX. doi: 10.1186/s43074-025-00166-7
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Hang Xu, Jingguang Chen, Bo Wang, Hui Li, Chunyu Song, Qi Tan, Zhengyi Zhao, Wenzhe Liu, Lei Shi, Jie Li, Jianquan Yao. Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect[J]. PhotoniX. doi: 10.1186/s43074-025-00166-7
Citation: Hang Xu, Jingguang Chen, Bo Wang, Hui Li, Chunyu Song, Qi Tan, Zhengyi Zhao, Wenzhe Liu, Lei Shi, Jie Li, Jianquan Yao. Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect[J]. PhotoniX. doi: 10.1186/s43074-025-00166-7
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Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect

doi: 10.1186/s43074-025-00166-7

  • 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

基金项目: 

the National Natural Science Foundation of China (U22A2008, 12404484)

the Opening Funding of National Key Laboratory of Electromagnetic Space Security, and Laoshan Laboratory Science and Technology Innovation Project (No. LSKJ202200801). National Natural Science Foundation of China (No. 12234007, No. 12321161645). Sichuan Province Science and Technology Support Program (2025ZNSFSC0846).

This research was supported by National Key R&D Program of China (No. 2023YFA1406900 and No. 2022YFA1404800)

详细信息
    通讯作者:

    Wenzhe Liu, E-mail:wzliu@fudan.edu.cn

    Lei Shi, E-mail:lshi@fudanedu.cn

    Jie Li, E-mail:li_jie_d@tju.edu.cn

    Jianquan Yao, E-mail:jqyao@tju.edu.cn

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

  • 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

Funds: 

the National Natural Science Foundation of China (U22A2008, 12404484)

the Opening Funding of National Key Laboratory of Electromagnetic Space Security, and Laoshan Laboratory Science and Technology Innovation Project (No. LSKJ202200801). National Natural Science Foundation of China (No. 12234007, No. 12321161645). Sichuan Province Science and Technology Support Program (2025ZNSFSC0846).

This research was supported by National Key R&D Program of China (No. 2023YFA1406900 and No. 2022YFA1404800)

    摘要
  • 摘要: In response to the growing demands of advanced 5G/6G communication technologies, millimeter-wave vortex beams have emerged as a promising solution to increase channel capacities. This paper introduces a novel and efficient method for vortex beam generation by leveraging the intrinsic singularities of dipole scatterers and enhancing their performance through non-local coupling. We demonstrate that the intrinsic singularities—amplitude-zero points in the scattering patterns of electric dipole (ED) and magnetic dipole (MD) resonances–enable the conversion of spin angular momentum (SAM) into orbital angular momentum (OAM), generating a vortex electric field distribution. By arranging these dipolar units into a periodic array, we establish a dual-resonance non-local metasurface that improves directivity and efficiency via non-local collective interactions and the generalized Kerker effect. This configuration significantly enhances forward scattering, producing highly directional vortex beams. Our experimental results show that the non-local metasurface achieves a vortex conversion efficiency approximately 2.2 times higher than that of a reference structure around 40 GHz. This alignment-free, high-efficiency solution offers great potential for expanding millimeter-wave communication capacity and advancing photonic applications.
    Abstract: In response to the growing demands of advanced 5G/6G communication technologies, millimeter-wave vortex beams have emerged as a promising solution to increase channel capacities. This paper introduces a novel and efficient method for vortex beam generation by leveraging the intrinsic singularities of dipole scatterers and enhancing their performance through non-local coupling. We demonstrate that the intrinsic singularities—amplitude-zero points in the scattering patterns of electric dipole (ED) and magnetic dipole (MD) resonances–enable the conversion of spin angular momentum (SAM) into orbital angular momentum (OAM), generating a vortex electric field distribution. By arranging these dipolar units into a periodic array, we establish a dual-resonance non-local metasurface that improves directivity and efficiency via non-local collective interactions and the generalized Kerker effect. This configuration significantly enhances forward scattering, producing highly directional vortex beams. Our experimental results show that the non-local metasurface achieves a vortex conversion efficiency approximately 2.2 times higher than that of a reference structure around 40 GHz. This alignment-free, high-efficiency solution offers great potential for expanding millimeter-wave communication capacity and advancing photonic applications.
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出版历程
  • 收稿日期:  2024-12-05
  • 录用日期:  2025-03-17
  • 修回日期:  2025-02-20

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