The Design of Highly Reflective All-Dielectric Metasurfaces Based on Diamond Resonators

All-dielectric metasurfaces offer a low-loss alternative to plasmonic metasurfaces. We proposed the configuration for high-reflectivity all-dielectric metasurfaces based on single-crystal diamond (SCD) resonators on fused silica substrate and conducted simulations to optimize and analyze such a conf...

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Bibliographic Details
Published in:Photonics 2024-11, Vol.11 (11), p.1015
Main Authors: Xing, Zhongyang, Liao, Jiahui, Xu, Zhongjie, Cheng, Xiang’ai, Zhang, Jiangbin
Format: Article
Language:English
Subjects:
Alkali metals
all-dielectric metasurfaces
Configuration management
Crystal lattices
Decomposition
Design
Design optimization
diamond resonators
Diamonds
Electromagnetism
Fabrication
Fused silica
Hexagonal lattice
High power lasers
Laser applications
Lasers
Light
Metasurfaces
multipole decomposition
Multipoles
perfect reflector
Permeability
Principles
Reflectance
Resonators
Silica
Simulation
Single crystals
Wavelengths
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Summary:All-dielectric metasurfaces offer a low-loss alternative to plasmonic metasurfaces. We proposed the configuration for high-reflectivity all-dielectric metasurfaces based on single-crystal diamond (SCD) resonators on fused silica substrate and conducted simulations to optimize and analyze such a configuration via the FDTD solver. We utilized GMR as the design principle to select the configuration and the substrate material, and analyzed the scattering properties of a single SCD resonator by multipole decomposition. Then, we demonstrated that both the cylindrical resonators in square lattice and frustum-shaped resonators in hexagonal lattice can achieve near-unity reflectivity (>99.99%) and ultra-low absorption (
ISSN:2304-6732
2304-6732
DOI:10.3390/photonics11111015