ArticleMaterials (Basel, Switzerland)2018
Control of the Spin Angular Momentum and Orbital Angular Momentum of a Reflected Wave by Multifunctional Graphene Metasurfaces.
Article in Materials (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Reconfigurable bi-lateral graphene-based meta-surface for wide-band independent OAM generation in transmit/reflect modes.Scientific reports · 2026Article
- Suspended Metasurface for Broadband High-Efficiency Vortex Beam Generation.Materials (Basel, Switzerland) · 2022Article
- Terahertz smart dynamic and active functional electromagnetic metasurfaces and their applications.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2020Article
- Transparent Metasurface for Generating Microwave Vortex Beams with Cross-Polarization Conversion.Materials (Basel, Switzerland) · 2018Article
- Reconfigurable Multifunctional Metasurface Hybridized with Vanadium Dioxide at Terahertz Frequencies.Materials (Basel, Switzerland) · 2018Article
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Authors and funding
7 authors.
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Abstract
Three kinds of multifunctional graphene metasurfaces based on Pancharatnam⁻Berry (PB) phase cells are proposed and numerically demonstrated to control a reflected wave’s spin angular momentum (SAM) and orbital angular momentum (OAM) in the terahertz (THz) regime. Each proposed metasurface structure is composed of an array of graphene strips with different deviation angles and a back-grounded quartz substrate. In order to further help readers have a deeper insight into the graphene-based metasurfaces, a detailed design strategy is also provided. With the aid of the designed graphene elements, the proposed metasurfaces can achieve the full 360° range of phase coverage and provide manipulation of SAM and OAM of a circularly polarized (CP) wave at will. More importantly, simultaneous control of these two momentums can also be realized, and in order to demonstrate this function, a THz spin-controlled OAM beam generator with diverse topological charges is created, which can provide one more degree of freedom to improve the channel capability without increasing the bandwidth compared to a linearly polarized (LP) OAM beam. Numerical results verify the proposed graphene metasurfaces, which pave the way for generating spin OAM vortex waves for THz communication systems.
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