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Article: Spin-Selective Transmission in Chiral Folded Metasurfaces

TitleSpin-Selective Transmission in Chiral Folded Metasurfaces
Authors
KeywordsFolded metasurface
spin-selective transmission
subwavelength optics
intrinsic chirality
Issue Date2019
Citation
Nano Letters, 2019, v. 19, n. 6, p. 3432-3439 How to Cite?
Abstract© 2019 American Chemical Society. Controlling the spin angular momentum of light (or circular polarization state) plays a crucial role in the modern photonic applications such as optical communication, circular dichroism spectroscopy, and quantum information processing. However, the conventional approaches to manipulate the spin of light require naturally occurring chiral or birefringent materials of bulky sizes due to the weak light-matter interactions. Here we experimentally demonstrate an approach to implement spin-selective transmission in the infrared region based on chiral folded metasurfaces that are capable of transmitting one spin state of light while largely prohibiting the other. Due to the intrinsic chirality of the folded metasurface, a remarkable circular dichroism as large as 0.7 with the maximum transmittance exceeding 92% is experimentally demonstrated. The giant circular dichroism is interpreted within the framework of charge-current multipole expansion. Moreover, the intrinsic chirality can be readily controlled by manipulating the folding angle of the metasurface with respect to the cardinal plane. Benefiting from its strong chirality and spin-dependent transmission characteristics, the proposed folded metasurface may be applied to a range of novel photon-spin selective devices for optical communication technologies and biophotonics.
Persistent Identifierhttp://hdl.handle.net/10722/295102
ISSN
2020 Impact Factor: 11.189
2020 SCImago Journal Rankings: 4.853
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYang, Shengyan-
dc.contributor.authorLiu, Zhe-
dc.contributor.authorHu, Sha-
dc.contributor.authorJin, Ai Zi-
dc.contributor.authorYang, Haifang-
dc.contributor.authorZhang, Shuang-
dc.contributor.authorLi, Junjie-
dc.contributor.authorGu, Changzhi-
dc.date.accessioned2021-01-05T04:59:04Z-
dc.date.available2021-01-05T04:59:04Z-
dc.date.issued2019-
dc.identifier.citationNano Letters, 2019, v. 19, n. 6, p. 3432-3439-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10722/295102-
dc.description.abstract© 2019 American Chemical Society. Controlling the spin angular momentum of light (or circular polarization state) plays a crucial role in the modern photonic applications such as optical communication, circular dichroism spectroscopy, and quantum information processing. However, the conventional approaches to manipulate the spin of light require naturally occurring chiral or birefringent materials of bulky sizes due to the weak light-matter interactions. Here we experimentally demonstrate an approach to implement spin-selective transmission in the infrared region based on chiral folded metasurfaces that are capable of transmitting one spin state of light while largely prohibiting the other. Due to the intrinsic chirality of the folded metasurface, a remarkable circular dichroism as large as 0.7 with the maximum transmittance exceeding 92% is experimentally demonstrated. The giant circular dichroism is interpreted within the framework of charge-current multipole expansion. Moreover, the intrinsic chirality can be readily controlled by manipulating the folding angle of the metasurface with respect to the cardinal plane. Benefiting from its strong chirality and spin-dependent transmission characteristics, the proposed folded metasurface may be applied to a range of novel photon-spin selective devices for optical communication technologies and biophotonics.-
dc.languageeng-
dc.relation.ispartofNano Letters-
dc.subjectFolded metasurface-
dc.subjectspin-selective transmission-
dc.subjectsubwavelength optics-
dc.subjectintrinsic chirality-
dc.titleSpin-Selective Transmission in Chiral Folded Metasurfaces-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acs.nanolett.8b04521-
dc.identifier.pmid30608711-
dc.identifier.scopuseid_2-s2.0-85060056027-
dc.identifier.volume19-
dc.identifier.issue6-
dc.identifier.spage3432-
dc.identifier.epage3439-
dc.identifier.eissn1530-6992-
dc.identifier.isiWOS:000471834900006-
dc.identifier.issnl1530-6984-

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