Results 11 to 20 of about 1,179 (209)

Dynamic Millimeter-Wave OAM Beam Generation Through Programmable Metasurface [PDF]

open access: yesNanophotonics, 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 ...
Xudong Bai, Weiren Zhu, Chong He
exaly   +3 more sources

Multi-Frequency Amplitude-Programmable Metasurface for Multi-Channel Electromagnetic Controls [PDF]

open access: yesNanophotonics, 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.
Jun Wei Wu, Shi He, Cui Tiejun
exaly   +3 more sources

Programmable metasurface for front-back scattering communication [PDF]

open access: yesNanophotonics, 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]

open access: yesResearch, 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]

open access: yesScientific 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]

open access: yesAdvanced Science
Programmability 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

open access: yesApplied Sciences (Switzerland), 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.
Chenxi Liu, Xiaojian Fu, Junwei Wu
exaly   +3 more sources

Solar-powered light-modulated microwave programmable metasurface for sustainable wireless communications [PDF]

open access: yesNature Communications
Programmable 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

Adaptively programmable metasurface for intelligent wireless communications in complex environments [PDF]

open access: yesNature Communications
The programmable metasurface or reconfigurable intelligent surface is one of the emerging technologies for next-generation wireless communications, but the existing programmable metasurfaces still rely on human control to reshape the electromagnetic (EM)
Han Qing Yang   +13 more
doaj   +2 more sources

Dual-physics programmable metasurfaces for dynamical controls of acoustics and electromagnetics [PDF]

open access: yesNature Communications
Programmable metasurfaces bring new opportunities for modern acoustic and electromagnetic technologies by dynamically tailoring wave-matter interactions at subwavelength scales.
Zheng Zhang   +7 more
doaj   +2 more sources

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