Evidence map›Paper›PMID 39679228›Full record

ArticleNanophotonics (Berlin, Germany)2024

Achieving asymmetry parameter-insensitive resonant modes through relative shift-induced quasi-bound states in the continuum.

Tian Sang, Qing Mi, Chaoyu Yang, Xianghu Zhang, Yueke Wang, Yongze Ren, Ting Xu

Abstract read
In one paragraph

Article in Nanophotonics (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

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7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

  1. Article
  2. Article
  3. Tunable BIC metamaterials with Dirac semimetals.Nanophotonics (Berlin, Germany) · 2025
    Review
  4. Article
  5. Article
  6. Article
  7. Article
4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Tian SangDepartment of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi 214122, China.ORCID https://orcid.org/0000-0002-9847-6001
Qing MiDepartment of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi 214122, China.
Chaoyu YangDepartment of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi 214122, China.
Xianghu ZhangDepartment of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi 214122, China.
Yueke WangDepartment of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi 214122, China.
Yongze RenNational Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.
Ting XuNational Laboratory of Solid-State Microstructures, College of Engineering and Applied Sciences and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.ORCID https://orcid.org/0000-0002-0704-1089

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

High-Q resonances in metasurfaces, stemming from symmetry-protected bound states in the continuum (BICs), have proven to be effective for achieving high-performance optical devices. However, the properties associated with symmetry-protected BICs are inherently limited, as even a slight variation in the asymmetry parameter leads to a noticeable shift in the resonance location. Herein, we introduce the concept of relative shift-induced quasi-BICs (QBICs) within dimerized silicon (Si) meta-lattices (DSMs), which can be excited when a nonzero relative shift occurs, a result of in-plane inversion symmetry breaking and Brillouin zone folding within the structure. These QBICs have resonance locations that remain insensitive to variations in asymmetrical parameters. Additionally, their Q-factors can be flexibly tuned, benefiting from the inverse square dependence on asymmetrical parameters. In experiment, six DSMs with different relative shifts are fabricated and the asymmetry parameter-insensitive resonant modes under two orthogonal polarization states are experimentally observed in the optical communication waveband. Our results offer unique opportunities for constructing high-Q resonators with enhanced performances, which can be applied in various optical fields.

Indexed as

bound states in the continuummetasurfaceresonant mode

Identifiers

PMID39679228
PMCPMC11636510

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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.