Multiple Fano resonances driven by bound states in the continuum in an all-dielectric nanoarrays system
Source abstract
Abstract
Fano resonance with high Q-factor can greatly enhance the light–matter interaction in all-dielectric metasurface, which is an important condition for developing high-performance micro-/nano-photonics devices. In this paper, we present an all-dielectric metasurface structure composed of nanoarrays to investigate the properties of BIC realization and Fano resonance in the near-infrared spectral region. Four Fano profiles are generated, and two quasi-BIC resonance modes excited by MD appear when the structural symmetry is broken. All the Fano resonances modulation depth close to 100%. The spectral response of the proposed structure is also highly tunable by adjusting the polarization of the incident light and the geometric parameters of the structure. This work may provide a reference for the design of devices, such as biochemical sensing, optical switches, and optical modulators.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Plasmonic and Surface Plasmon Research · Metamaterials and Metasurfaces Applications · Photonic Crystals and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of the Electronic and Engineering, Beijing University of Posts and Telecommunications , Beijing 100876, China
Funding
National Natural Science Foundation of China · National Key Research and Development Program of China
References (51)
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