Nano-kirigami enabled chiral nano-cilia with enhanced circular dichroism at visible wavelengths
Abstract: Nano-kirigami method enables rich diversity of structural geometries that significantly broaden the functionalities of optical micro/nano-devices. However, the methodologies of various nano-kirigami are still limited and as a result, the chiral nano-kirigami structure has yet been pushed to the limit for operation at visible wavelength region. Here, the merits of the various nano-kirigami strategies are comprehensively explored and bio-inspired nano-cilia metasurface with enhanced circular dichroism at visible wavelengths is demonstrated. The stereo chiral nano-cilia metasurface is designed with three-fold rotational symmetry, which exhibits tuneable chiroptical responses when the nano-cilia are deformed to form strong chiral light–matter interactions. By employing electron-beam lithography (EBL) and focused ion beam (FIB) lithography, on-chip nano-cilia metasurfaces are experimentally realized in near-infrared wavelengths region and at visible wavelengths, respectively, successfully validating the giant circular dichroism revealed in simulations. Our work is useful to broaden the existing platform of micro/nano-scale manufacturing and could provide an effective method for the realization of versatile bioinspired nanostructures with profound chiroptical responses.
- 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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Nano-kirigami enabled chiral nano-cilia with enhanced circular dichroism at visible wavelengths ; volume:12 ; number:8 ; year:2023 ; pages:1459-1468 ; extent:10
Nanophotonics ; 12, Heft 8 (2023), 1459-1468 (gesamt 10)
- Urheber
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Liu, Xing
Liang, Qinghua
Zhang, Xiaochen
Ji, Chang-Yin
Li, Jiafang
- DOI
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10.1515/nanoph-2022-0543
- URN
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urn:nbn:de:101:1-2023042514283369631193
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:49 MESZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Liu, Xing
- Liang, Qinghua
- Zhang, Xiaochen
- Ji, Chang-Yin
- Li, Jiafang
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