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Conductive connection induced speed-up of localized-surface-plasmon dynamics
Cun, Peng1,2; Wang, Meng1,2; Huang, Cuiying1,2; Huang, Pei3,4; He, Xinkui3; Wei, Zhiyi3; Zhang, Xinping1,2
Department瞬态光学技术国家重点实验室
2018
Source PublicationJOURNAL OF OPTICS
ISSN2040-8978
Volume20Issue:1
Contribution Rank4
Abstract

Conductive connection of localized surface plasmons (LSPs) was achieved by depositing a layer of continuous gold film onto the top surface of a matrix of randomly distributed gold nanoparticles (AuNPs) that were originally isolated on a glass substrate. Ultrafast spectroscopic response of such plasmonic nanostructures was investigated by femtosecond pump-probe detection technique. The transient-absorption data showed large redshift and broadening of the resonance spectrum of the conductively connected AuNPs with respect to the isolated ones. Such effects led to modulation on the evolution dynamics of LSPs in a transient transition spectral band. Making use of the temporal and spectral dislocation between the edges of transition band, we achieved much increased speed of the plasmonic optical switching effect.

 

KeywordTransient Absorption Spectroscopy Localized Surface Plasmon Resonance Continuous Gold Film Gold Nanoparticles Plasmonic Optical Switch
DOI10.1088/2040-8986/aa9f47
Indexed BySCI ; EI
Language英语
WOS IDWOS:000418930300001
EI Accession Number20180104603065
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30820
Collection瞬态光学技术国家重点实验室
Corresponding AuthorZhang, Xinping
Affiliation1.Beijing Univ Technol, Inst Informat Photon Technol, Beijing 100124, Peoples R China;
2.Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China;
3.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China;
4.Chinese Acad Sci, Xian Inst Opt & Fine Mech, Xian 710119, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Cun, Peng,Wang, Meng,Huang, Cuiying,et al. Conductive connection induced speed-up of localized-surface-plasmon dynamics[J]. JOURNAL OF OPTICS,2018,20(1).
APA Cun, Peng.,Wang, Meng.,Huang, Cuiying.,Huang, Pei.,He, Xinkui.,...&Zhang, Xinping.(2018).Conductive connection induced speed-up of localized-surface-plasmon dynamics.JOURNAL OF OPTICS,20(1).
MLA Cun, Peng,et al."Conductive connection induced speed-up of localized-surface-plasmon dynamics".JOURNAL OF OPTICS 20.1(2018).
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