期刊
PHYSICAL REVIEW LETTERS
卷 121, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.193903
关键词
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资金
- Australian Research Council
- Alexander von Humboldt Stiftung
- Russian Science Foundation [18-72-10140]
- Foundation for the Advancement of Theoretical Physics and Mathematics BASIS (Russia)
- Russian Science Foundation [18-72-10140] Funding Source: Russian Science Foundation
We reveal that metasurfaces created by seemingly different lattices of (dielectric or metallic) meta-atoms with broken in-plane symmetry can support sharp high-Q resonances arising from a distortion of symmetry-protected bound states in the continuum. We develop a rigorous theory of such asymmetric periodic structures and demonstrate a link between the bound states in the continuum and Fano resonances. Our results suggest the way for smart engineering of resonances in metasurfaces for many applications in nanophotonics and metaoptics.
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