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Article: Integrated Terahertz Generator-Manipulators Using Epsilon-near-Zero-Hybrid Nonlinear Metasurfaces

TitleIntegrated Terahertz Generator-Manipulators Using Epsilon-near-Zero-Hybrid Nonlinear Metasurfaces
Authors
Keywordsterahertz
integrated generator-manipulator
metasurface
epsilon-near-zero
nonlinear Pancharatnam-Berry phase
Issue Date2021
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/nanolett
Citation
Nano Letters, 2021, v. 21 n. 18, p. 7699-7707 How to Cite?
AbstractIn terahertz (THz) technologies, generation and manipulation of THz waves are two key processes usually implemented by different device modules. Integrating THz generation and manipulation into a single compact device will advance the applications of THz technologies in various fields. Here, we demonstrate a hybrid nonlinear plasmonic metasurface incorporating an epsilon-near-zero (ENZ) indium tin oxide (ITO) layer to seamlessly combine efficient generation and manipulation of THz waves across a wide frequency band. The coupling between the plasmonic resonance of the metasurface and the ENZ mode of the ITO thin film enhances the THz conversion efficiency by more than 4 orders of magnitude. Meanwhile, such a hybrid device is capable of shaping the polarization and wavefront of the emitted THz beam via the engineered nonlinear Pancharatnam-Berry (PB) phases of the plasmonic meta-atoms. The presented hybrid nonlinear metasurface opens a new avenue toward miniaturized integrated THz devices and systems with advanced functionalities.
Persistent Identifierhttp://hdl.handle.net/10722/305877
ISSN
2020 Impact Factor: 11.189
2020 SCImago Journal Rankings: 4.853
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLu, Y-
dc.contributor.authorFeng, X-
dc.contributor.authorWang, Q-
dc.contributor.authorZhang, X-
dc.contributor.authorFang, M-
dc.contributor.authorSha, WEI-
dc.contributor.authorHuang, Z-
dc.contributor.authorXu, Q-
dc.contributor.authorNiu, L-
dc.contributor.authorChen, X-
dc.contributor.authorOuyang, C-
dc.contributor.authorYang, Y-
dc.contributor.authorZhang, X-
dc.contributor.authorPlum, E-
dc.contributor.authorZhang, S-
dc.contributor.authorHan, J-
dc.contributor.authorZhang, W-
dc.date.accessioned2021-10-20T10:15:36Z-
dc.date.available2021-10-20T10:15:36Z-
dc.date.issued2021-
dc.identifier.citationNano Letters, 2021, v. 21 n. 18, p. 7699-7707-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10722/305877-
dc.description.abstractIn terahertz (THz) technologies, generation and manipulation of THz waves are two key processes usually implemented by different device modules. Integrating THz generation and manipulation into a single compact device will advance the applications of THz technologies in various fields. Here, we demonstrate a hybrid nonlinear plasmonic metasurface incorporating an epsilon-near-zero (ENZ) indium tin oxide (ITO) layer to seamlessly combine efficient generation and manipulation of THz waves across a wide frequency band. The coupling between the plasmonic resonance of the metasurface and the ENZ mode of the ITO thin film enhances the THz conversion efficiency by more than 4 orders of magnitude. Meanwhile, such a hybrid device is capable of shaping the polarization and wavefront of the emitted THz beam via the engineered nonlinear Pancharatnam-Berry (PB) phases of the plasmonic meta-atoms. The presented hybrid nonlinear metasurface opens a new avenue toward miniaturized integrated THz devices and systems with advanced functionalities.-
dc.languageeng-
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/nanolett-
dc.relation.ispartofNano Letters-
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in [JournalTitle], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html].-
dc.subjectterahertz-
dc.subjectintegrated generator-manipulator-
dc.subjectmetasurface-
dc.subjectepsilon-near-zero-
dc.subjectnonlinear Pancharatnam-Berry phase-
dc.titleIntegrated Terahertz Generator-Manipulators Using Epsilon-near-Zero-Hybrid Nonlinear Metasurfaces-
dc.typeArticle-
dc.identifier.emailZhang, S: shuzhang@hku.hk-
dc.identifier.authorityZhang, S=rp02759-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acs.nanolett.1c02372-
dc.identifier.pmid34498876-
dc.identifier.scopuseid_2-s2.0-85115980839-
dc.identifier.hkuros327066-
dc.identifier.volume21-
dc.identifier.issue18-
dc.identifier.spage7699-
dc.identifier.epage7707-
dc.identifier.isiWOS:000700883900037-
dc.publisher.placeUnited States-

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