Dynamic millimeter-wave OAM beam generation through programmable metasurface [PDF]
Nanophotonics, 2022 Millimeter-wave (mmWave) and orbital angular momentum (OAM) multiplexing are two key technologies for modern wireless communications, where significant efforts have been devoted to combining these two technologies for extremely high channel capacities ...
Bai Xudong +6 more
doaj +3 more sources
Multi-frequency amplitude-programmable metasurface for multi-channel electromagnetic controls [PDF]
Nanophotonics, 2023 The digital and programmable metasurfaces, as opposed to conventional metasurfaces, offer a more sophisticated method of collaborating information and physics, showcasing several real-time controls to electromagnetic (EM) ways in succinct ways.
Wu Rui Yuan +4 more
doaj +3 more sources
Language-controllable programmable metasurface empowered by large language models [PDF]
NanophotonicsProgrammable metasurface has become a prominent tool in various areas including control, communication, computing, and so on, due to its unique capability in the electromagnetic (EM) manipulation. However, it is lack of the intelligence in the sense that
Hu Shengguo +4 more
doaj +3 more sources
Programmable metasurface for front-back scattering communication [PDF]
Nanophotonics, 2023 Achieving high-efficient and low-power communication is pivotal yet very challenging in the emerging technologies. Unlike conventional backscatter communication system, we propose and demonstrate an amplitude-reconfigurable metasurface loaded with PIN ...
Li Haipeng +5 more
doaj +5 more sources
Time-Modulated Transmissive Programmable Metasurface for Low Sidelobe Beam Scanning [PDF]
Research, 2022 Programmable metasurfaces have great potential for the implementation of low-complexity and low-cost phased arrays. Due to the difficulty of multiple-bit phase control, conventional programmable metasurfaces suffer a relatively high sidelobe level (SLL).
Xudong Bai +8 more
doaj +2 more sources
Multimode OAM beam generation through 1-bit programmable metasurface antenna [PDF]
Scientific Reports, 2023 modern wireless communication, the orbital angular momentum (OAM) beam is considered as an important technology. Some considerable efforts have been devoted to using this technology for channel capacity enhancement as much as possible.
Morteza Nadi +2 more
doaj +2 more sources
XOR‐Logic Phase Coding Programmable Metasurface for Low Power‐Consumption Systems [PDF]
Advanced ScienceProgrammability greatly enhances the degree of freedom to manipulate electromagnetic (EM) waves dynamically and lays crucial foundation for intelligent applications of metasurfaces.
Ruichao Zhu +10 more
doaj +2 more sources
Two-Dimensional Beam Steering Based on Compact Programmable Coding Metasurface
Applied Sciences, 2022 A programmable coding metasurface provides unprecedented flexibility to manipulate electromagnetic waves dynamically. By controlling the peculiarity of subwavelength artificial atoms, devices with metasurfaces perform various functionalities.
Fei Yang +6 more
doaj +3 more sources
A One-Bit Programmable Multi-Functional Metasurface for Microwave Beam Shaping
Micromachines, 2023 In this paper, we demonstrate a multi-functional metasurface for microwave beam-shaping application. The metasurface consists of an array of programmable unit cells, and each unit cell is integrated with one varactor diode. By turning the electrical bias
Wu Zhang +6 more
doaj +3 more sources
Solar-powered light-modulated microwave programmable metasurface for sustainable wireless communications [PDF]
Nature CommunicationsProgrammable metasurface holds big promise in wireless communications by virtue of its powerful capability in controlling electromagnetic waves. However, challenges exist for the programmable metasurface in achieving self-sufficient renewable energy ...
Han Wei Tian +8 more
doaj +2 more sources