Multiple symmetry protected BIC lines in two dimensional synthetic parameter space
Abstract: Bound states in the continuum (BICs) have attracted significant interest in recent years due to their unique optical properties, such as infinite quality factor and wave localization. In order to improve the optical performance of BICs based devices, more degrees of freedom are required to tune BICs in high-dimension parameter space for practical applications. To effectively tune more BICs, we form a 2D synthetic parameter space based on a nanohole metasurface array. Multiple symmetry protected BIC modes with high Q factors can be achieved at high-order symmetry point. Through manipulating asymmetry parameters, BIC lines formed by a series of BIC modes can be found in the 2D synthetic parameter space. Moreover, the electric field distributions are investigated to demonstrate the generation and evolution of BICs. By measuring the absorption spectra, the tuning of multiple BICs with synthetic asymmetry parameters is experimentally explored, which agrees well with theoretical results. Therefore, our design can provide new insight for a variety of on-chip applications, such as nonlinear devices, integrated nanolasing array, and high-resolution sensors for infrared molecular detection.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Multiple symmetry protected BIC lines in two dimensional synthetic parameter space ; volume:12 ; number:13 ; year:2023 ; pages:2405-2413 ; extent:9
Nanophotonics ; 12, Heft 13 (2023), 2405-2413 (gesamt 9)
- Urheber
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Zhang, Fengyuan
Chu, Qiongqiong
Wang, Qiang
Zhu, Shining
Liu, Hui
- DOI
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10.1515/nanoph-2022-0781
- URN
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urn:nbn:de:101:1-2023062714060767386962
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:46 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Zhang, Fengyuan
- Chu, Qiongqiong
- Wang, Qiang
- Zhu, Shining
- Liu, Hui
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