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Article: Second Harmonic Generation Covering the Entire Visible Range from a 2D Material–Plasmon Hybrid Metasurface

TitleSecond Harmonic Generation Covering the Entire Visible Range from a 2D Material–Plasmon Hybrid Metasurface
Authors
Issue Date2021
PublisherWiley - VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)2195-1071
Citation
Advanced Optical Materials, 2021, Epub 2021-05-20, p. article no. 2100625 How to Cite?
AbstractOn-chip coherent light source has always been fascinating and intriguing due to its various potential applications. In the past decades, there has been some progress in the development of chip coherent light (e.g., nanolaser, Bose-Einstein condensation and nonlinear optical effects). However, these methods strictly depend on materials and extreme experimental conditions, and are usually not tunable. Here, a hybrid structure is designed which combines a chirped surface plasmon metasurface with a monolayer transition metal dichalcogenide (TMDC) to achieve a coherent second harmonic generation (SHG) covering the entire visible light spectrum. Using only finite number of metallic grooves, a continuous resonance tuning is obtained. By translating the metasurface in space, a space-frequency locking SHG is demonstrated. Although the Q factor of the surface plasmon cavity is low, its near-field enhancements of both fundamental and SH waves are still obvious. Significantly, the broad linewidth of plasmonic cavity leads to a large degree of overlap between adjacent localized modes, that enables the tuning of the output wavelength continuously at room temperature. Meanwhile, the exciton resonance also plays an important role. This monolithic tunable device demonstrates the potentials of 2D material-plasmon hybrid metasurface and to construct an efficient broadband tunable on-chip coherent light source.
Persistent Identifierhttp://hdl.handle.net/10722/300324
ISSN
2020 Impact Factor: 9.926
2020 SCImago Journal Rankings: 2.890

 

DC FieldValueLanguage
dc.contributor.authorDing, Y-
dc.contributor.authorWEI, C-
dc.contributor.authorSu, H-
dc.contributor.authorSun, S-
dc.contributor.authorTang, Z-
dc.contributor.authorWang, Z-
dc.contributor.authorLi, G-
dc.contributor.authorLiu, D-
dc.contributor.authorGwo, S-
dc.contributor.authorDai, J-
dc.contributor.authorShi, J-
dc.date.accessioned2021-06-04T08:41:19Z-
dc.date.available2021-06-04T08:41:19Z-
dc.date.issued2021-
dc.identifier.citationAdvanced Optical Materials, 2021, Epub 2021-05-20, p. article no. 2100625-
dc.identifier.issn2195-1071-
dc.identifier.urihttp://hdl.handle.net/10722/300324-
dc.description.abstractOn-chip coherent light source has always been fascinating and intriguing due to its various potential applications. In the past decades, there has been some progress in the development of chip coherent light (e.g., nanolaser, Bose-Einstein condensation and nonlinear optical effects). However, these methods strictly depend on materials and extreme experimental conditions, and are usually not tunable. Here, a hybrid structure is designed which combines a chirped surface plasmon metasurface with a monolayer transition metal dichalcogenide (TMDC) to achieve a coherent second harmonic generation (SHG) covering the entire visible light spectrum. Using only finite number of metallic grooves, a continuous resonance tuning is obtained. By translating the metasurface in space, a space-frequency locking SHG is demonstrated. Although the Q factor of the surface plasmon cavity is low, its near-field enhancements of both fundamental and SH waves are still obvious. Significantly, the broad linewidth of plasmonic cavity leads to a large degree of overlap between adjacent localized modes, that enables the tuning of the output wavelength continuously at room temperature. Meanwhile, the exciton resonance also plays an important role. This monolithic tunable device demonstrates the potentials of 2D material-plasmon hybrid metasurface and to construct an efficient broadband tunable on-chip coherent light source.-
dc.languageeng-
dc.publisherWiley - VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)2195-1071-
dc.relation.ispartofAdvanced Optical Materials-
dc.rightsSubmitted (preprint) Version This is the pre-peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. Accepted (peer-reviewed) Version This is the peer reviewed version of the following article: [FULL CITE], which has been published in final form at [Link to final article using the DOI]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.-
dc.titleSecond Harmonic Generation Covering the Entire Visible Range from a 2D Material–Plasmon Hybrid Metasurface-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/adom.202100625-
dc.identifier.scopuseid_2-s2.0-85106228171-
dc.identifier.hkuros322694-
dc.identifier.volumeEpub 2021-05-20-
dc.identifier.spagearticle no. 2100625-
dc.identifier.epagearticle no. 2100625-
dc.publisher.placeGermany-

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