Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/139343
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dc.contributor.authorHu, Haoen_US
dc.contributor.authorZhang, Jingjingen_US
dc.contributor.authorMaier, Stefan A.en_US
dc.contributor.authorLuo, Yuen_US
dc.date.accessioned2020-05-19T03:14:36Z-
dc.date.available2020-05-19T03:14:36Z-
dc.date.issued2017-
dc.identifier.citationHu, H., Zhang, J., Maier, S. A., & Luo, Y. (2018). Enhancing third-harmonic generation with spatial nonlocality. ACS Photonics, 5(2), 592-598. doi:10.1021/acsphotonics.7b01167en_US
dc.identifier.issn2330-4022en_US
dc.identifier.urihttps://hdl.handle.net/10356/139343-
dc.description.abstractAs the geometrical feature of a nanostructure approaches the Thomas-Fermi screening length, the electron-level interaction induced nonlocality leads to the longitudinal resonance modes above bulk plasmon resonance frequency. In this work, we investigate the contribution of longitudinal modes to the enhancement of third-harmonic generation process. Specifically, we study a single Ag nanowire and a Ag nanowire dimer coated with third-order nonlinear dielectrics. By implementing hydrodynamic and nonlinear models together, we find that the spectral overlap of the longitudinal resonance modes with third order harmonics enables the improvement of the nonlinear conversion efficiency. The optimized results show that despite of reduced field enhancement for the fundamental resonance, the third-harmonic absorption intensities in nonlocal case can surpass the local calculation results by hundreds of times. Maximum third-harmonic scattering intensities can also be realized though appropriate design of both structures. In contrast to previous studies that mainly focus on the negative effects of nonlocality, our study indicates that the nonlocal effects may benefit our system with proper designs, opening a new door for quantum plasmonic research.en_US
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.language.isoenen_US
dc.relation.ispartofACS Photonicsen_US
dc.rights© 2017 American Chemical Society. All rights reserved.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleEnhancing third-harmonic generation with spatial nonlocalityen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.identifier.doi10.1021/acsphotonics.7b01167-
dc.identifier.scopus2-s2.0-85037838825-
dc.identifier.issue2en_US
dc.identifier.volume5en_US
dc.identifier.spage592en_US
dc.identifier.epage598en_US
dc.subject.keywordsNanostructureen_US
dc.subject.keywordsSurface Plasmonsen_US
item.fulltextNo Fulltext-
item.grantfulltextnone-
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