Polarization-insensitive narrowband reflective wavefront manipulation through all-dielectric anisotropic subwavelength structures.

Meiyan Pan, Yanxin Lu, Jintao Wang, Yihang Chen

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Article in iScience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Hybrid equivalent circuit-deep neural network design of optically transparent metasurface with microwave RCS reduction.iScience · 2026
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5 · Who and what money

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4 authors.

Meiyan PanJi Hua Laboratory, Foshan 528200, China.

Yanxin LuKey Laboratory of Atomic and Subatomic Structure and Quantum Control (Ministry of Education), Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter, School of Physics, South China Normal University, Guangzhou 510006, China.

Jintao WangKey Laboratory of Atomic and Subatomic Structure and Quantum Control (Ministry of Education), Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter, School of Physics, South China Normal University, Guangzhou 510006, China.

Yihang ChenKey Laboratory of Atomic and Subatomic Structure and Quantum Control (Ministry of Education), Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter, School of Physics, South China Normal University, Guangzhou 510006, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Local metasurfaces provide high flexibility in shaping wavefronts but suffer from poor frequency selectivity. Here, we numerically present a reflective all-dielectric metasurface platform achieving simultaneous local phase control and spectral filtering: it reshapes the wavefront at a specific wavelength while spatially separating it from other wavelengths without requiring additional optics. The highly efficient phase control is inherently linked to the high polarization conversion ratio (PCR), ensured by a silicon nanoblock as a narrowband reflective half-wave plate through fundamental Mie resonances. The meta-atom exhibits near-unity peak reflection, a PCR reaching 0.97, and a quality factor around 20. By adjusting rotation angles, we disrupt the geometric phase conjugation, enabling polarization-insensitive applications, for example, a metalens with a high relative focusing efficiency (0.7) across the narrowband reflective spectrum. Our design exhibits high robustness against variations in the angle of incidence (up to 28

Indexed as

Applied sciencesNatural sciencesPhysics

Identifiers

PMID40177632

DOI10.1016/j.isci.2025.112147

PMCPMC11964659

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