Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect
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 singul...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2025-04-01
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| Series: | PhotoniX |
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| Online Access: | https://doi.org/10.1186/s43074-025-00166-7 |
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| author | Hang Xu Jingguang Chen Bo Wang Hui Li Chunyu Song Qi Tan Zhengyi Zhao Wenzhe Liu Lei Shi Jie Li Jianquan Yao |
| author_facet | Hang Xu Jingguang Chen Bo Wang Hui Li Chunyu Song Qi Tan Zhengyi Zhao Wenzhe Liu Lei Shi Jie Li Jianquan Yao |
| author_sort | Hang Xu |
| collection | DOAJ |
| description | 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. |
| format | Article |
| id | doaj-art-6f7bf18c93da4852a42b011bb4577e69 |
| institution | OA Journals |
| issn | 2662-1991 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | PhotoniX |
| spelling | doaj-art-6f7bf18c93da4852a42b011bb4577e692025-08-20T01:54:30ZengSpringerOpenPhotoniX2662-19912025-04-016111310.1186/s43074-025-00166-7Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effectHang Xu0Jingguang Chen1Bo Wang2Hui Li3Chunyu Song4Qi Tan5Zhengyi Zhao6Wenzhe Liu7Lei Shi8Jie Li9Jianquan Yao10Key Laboratory of Opto-Electronics Information Technology (Tianjin University), Ministry of Education, School of Precision Instruments and Opto-Electronics Engineering, Tianjin UniversityState Key Laboratory of Surface Physics, Key Laboratory of Micro- and Nano-Photonic Structures (Ministry of Education), and Department of Physics, Fudan UniversityHenan Key Laboratory of Quantum Materials and Quantum Energy, School of Quantum Information Future Technology, Henan UniversityKey Laboratory of Opto-Electronics Information Technology (Tianjin University), Ministry of Education, School of Precision Instruments and Opto-Electronics Engineering, Tianjin UniversityKey Laboratory of Opto-Electronics Information Technology (Tianjin University), Ministry of Education, School of Precision Instruments and Opto-Electronics Engineering, Tianjin UniversityKey Laboratory of Opto-Electronics Information Technology (Tianjin University), Ministry of Education, School of Precision Instruments and Opto-Electronics Engineering, Tianjin UniversityKey Laboratory of Opto-Electronics Information Technology (Tianjin University), Ministry of Education, School of Precision Instruments and Opto-Electronics Engineering, Tianjin UniversityState Key Laboratory of Surface Physics, Key Laboratory of Micro- and Nano-Photonic Structures (Ministry of Education), and Department of Physics, Fudan UniversityState Key Laboratory of Surface Physics, Key Laboratory of Micro- and Nano-Photonic Structures (Ministry of Education), and Department of Physics, Fudan UniversityInformation Materials and Device Applications Key Laboratory of Sichuan Provincial Universities, Chengdu University of Information TechnologyKey Laboratory of Opto-Electronics Information Technology (Tianjin University), Ministry of Education, School of Precision Instruments and Opto-Electronics Engineering, Tianjin UniversityAbstract 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.https://doi.org/10.1186/s43074-025-00166-7Intrinsic singularityGeneralized Kerker effectNon-local couplingVortex beam |
| spellingShingle | 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 PhotoniX Intrinsic singularity Generalized Kerker effect Non-local coupling Vortex beam |
| title | Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect |
| title_full | Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect |
| title_fullStr | Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect |
| title_full_unstemmed | Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect |
| title_short | Non-local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect |
| title_sort | non local metasurface generates highly efficient transmission vortex by intrinsic singularity and generalized kerker effect |
| topic | Intrinsic singularity Generalized Kerker effect Non-local coupling Vortex beam |
| url | https://doi.org/10.1186/s43074-025-00166-7 |
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