Results 11 to 20 of about 67,247 (341)
A Reusable Metasurface Template [PDF]
Nano Letters, 2020 Metasurfaces have revolutionized the design concepts for opticalcomponents, fostering an excitingfield offlat optics. Thanks to theflat and ultrathinnature, metasurfaces possess unique advantages over conventional optical components,such as lightweight, high compatibility, among others. To comply with potential appli-cations, further research endeavors
Jianxiong Li +4 more
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A programmable diffractive deep neural network based on a digital-coding metasurface array
Nature Electronics, 2022 The development of artificial intelligence is typically focused on computer algorithms and integrated circuits. Recently, all-optical diffractive deep neural networks have been created that are based on passive structures and can perform complicated ...
Che Liu +10 more
semanticscholar +1 more source
Dynamic Hybrid Metasurfaces [PDF]
Nano Letters, 2021 Efficient hybrid plasmonic-photonic metasurfaces that simultaneously take advantage of the potential of both pure metallic and all-dielectric nanoantennas are identified as an emerging technology in flat optics. Nevertheless, post-fabrication tunable hybrid metasurfaces are still elusive. Here, we present a reconfigurable hybrid metasurface platform by
Sajjad Abdollahramezani +12 more
openaire +5 more sources
Light: Science & Applications, 2023 Active metasurfaces are emerging as the core of next-generation optical devices with their tunable optical responses and flat-compact topography. Especially for the terahertz band, active metasurfaces have been developed as fascinating devices for ...
Xiaolin Zhuang +9 more
semanticscholar +1 more source
Electrically driven reprogrammable phase-change metasurface reaching 80% efficiency
Nature Communications, 2022 Phase-change materials (PCMs) offer a compelling platform for active metaoptics, owing to their large index contrast and fast yet stable phase transition attributes.
Sajjad Abdollahramezani +13 more
semanticscholar +1 more source
A knowledge-inherited learning for intelligent metasurface design and assembly
Light: Science & Applications, 2023 Recent breakthroughs in deep learning have ushered in an essential tool for optics and photonics, recurring in various applications of material design, system optimization, and automation control.
Yuetian Jia +5 more
semanticscholar +1 more source
Metasurface-based realization of photonic time crystals [PDF]
Science Advances, 2022 Photonic time crystals are artificial materials whose electromagnetic properties are uniform in space but periodically vary in time. The synthesis of these materials and experimental observation of their physics remain very challenging because of the ...
Xu-chen Wang +5 more
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Directional terahertz holography with thermally active Janus metasurface
Light: Science & Applications, 2023 Dynamic manipulation of electromagnetic (EM) waves with multiple degrees of freedom plays an essential role in enhancing information processing. Currently, an enormous challenge is to realize directional terahertz (THz) holography.
Benwen Chen +17 more
semanticscholar +1 more source
Low‐profile circularly polarized metasurface antenna with tailored reflection phase
Electronics Letters, 2021 A low‐profile metasurface antenna with circularly polarized radiation and tailored anisotropic reflection is proposed in this letter. The metasurface antenna composed of excitation structure (microstrip line with coupling slot) and a metasurface layer ...
Yi Zhao, Xu Yao, Chun‐yu Wang
doaj +1 more source
Light: Science & Applications, 2021 With inherent orthogonality, both the spin angular momentum (SAM) and orbital angular momentum (OAM) of photons have been utilized to expand the dimensions of quantum information, optical communications, and information processing, wherein simultaneous ...
Yinghui Guo +8 more
semanticscholar +1 more source