Full-space trifunctional metasurface with independent control of amplitude and phase for circularly polarized waves.

Xi Ming Li, Yuan Zhao, Ren Pan Lu, Xiao Feng Sun, Zhao Yang, Hai Dan He, Yan Hui Liu, Guo Hong Du

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Article in Nanophotonics (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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8 authors.

Xi Ming LiSchool of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.ORCID https://orcid.org/0009-0006-3552-7947

Yuan ZhaoCollege of Electronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.

Ren Pan LuCollege of Electronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.

Xiao Feng SunCollege of Electronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.

Zhao YangCollege of Electronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.

Hai Dan HeSouthwest China Institute of Electronic Technology, Chengdu 610036, China.

Yan Hui LiuSchool of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China.

Guo Hong DuCollege of Electronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Flexible and diverse manipulation of electromagnetic (EM) waves in half space (reflection or transmission) has facilitated strong aspiration toward full-space wave control. However, it remains challenging to achieve independent amplitude and phase control, which seriously hinder the real-world applications. Herein, an innovative strategy of trifunctional metasurface is proposed to independently and simultaneously manipulate the amplitude and phase of circular polarized waves in full space. The multifunctional design is composed of double-layer anisotropic metasurface sandwiched with a bandpass frequency selective surface, with a frequency-direction multiplexed paradigm for on-demand control of both amplitude and phase across three independent channels. To validate the concept, a multifunctional metadevice is designed and verified by simulations and experiments, showcasing arbitrary near-field and far-field power modulation in full space. Lateral and axial bifocal metalenses with desired intensity distribution are designed in two reflection channels at 9 GHz, while multibeam generator with desired spatial scatterings and power allocations is designed in transmissive channel at 13 GHz. The finding paves the way for attaining multifunctional metadevices with amplitude and phase modulation in full space, which have potential applications in high-quality imaging and high-capacity communication systems.

Indexed as

amplitude and phase controlfull spacemultifunctional metasurfaceswavefront manipulations

Identifiers

PMID39679187

DOI10.1515/nanoph-2024-0441

PMCPMC11636479

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.