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Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX最新文献

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Mark Stockman Tribute 马克·斯托克曼致敬
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-03 DOI: 10.1117/12.2603688
N. Litchinitser, N. Zheludev
{"title":"Mark Stockman Tribute","authors":"N. Litchinitser, N. Zheludev","doi":"10.1117/12.2603688","DOIUrl":"https://doi.org/10.1117/12.2603688","url":null,"abstract":"","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116505563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancement of optical nonlinearity and spontaneous emission in nano-engineered epsilon-near-zero materials 纳米工程epsilon-近零材料的光学非线性和自发发射增强
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-03 DOI: 10.1117/12.2594948
Howard Lee, Sudip Gurung, Khant Minn, A. Anopchenko, Subhajit Bej
{"title":"Enhancement of optical nonlinearity and spontaneous emission in nano-engineered epsilon-near-zero materials","authors":"Howard Lee, Sudip Gurung, Khant Minn, A. Anopchenko, Subhajit Bej","doi":"10.1117/12.2594948","DOIUrl":"https://doi.org/10.1117/12.2594948","url":null,"abstract":"This talk will review our recent studies on the nonlinear and emission properties of conducting oxide and metallic nitride epsilon-near-zero (ENZ) materials. I will present a method to engineer the field intensity enhancement of the Al-doped zinc oxide (AZO) ENZ thin films synthesized by atomic layer deposition (ALD) technique. I will then discuss the observation of abnormal nonlinear temporal dynamic of hot electrons and enhanced optical nonlinearity in AZO and ITO ENZ thin films under different pump fluences and excitation angles using a degenerate pump-probe spectroscopy technique. Finally, I will present the first comprehensive study of photoluminescence from a 2D material placed near ENZ films and its dependence on the losses of materials, as well as the spectral response of such emitters with excitation wavelengths across the ENZ regime. \u0000 \u0000This work was supported in part by the National Science Foundation (grant number: 1752295) and AFOSR-AOARD (FA2386-18-1-4099)","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123044759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic nanophotonics and nonlinear optics with oxides and nitrides 动态纳米光子学和非线性光学与氧化物和氮化物
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2596382
S. Saha, Z. Kudyshev, V. Shalaev, A. Boltasseva
{"title":"Dynamic nanophotonics and nonlinear optics with oxides and nitrides","authors":"S. Saha, Z. Kudyshev, V. Shalaev, A. Boltasseva","doi":"10.1117/12.2596382","DOIUrl":"https://doi.org/10.1117/12.2596382","url":null,"abstract":"Control over the permittivity and relaxation time in materials is important to gain control over the amplitude, phase and polarization of light. In this presentation, we report our work on controlling the static and dynamic optical properties of transition metal nitrides and transparent conducting oxides for a wide array of nanophotonic applications and nonlinear optical demonstrations. We find the carrier relaxation mechanism in titanium and zirconium nitride by pump-probe studies near the ENZ. We demonstrate high-harmonic generation in refractory TiN films. We show large changes in the epsilon-near-zero points in cadmium oxide via yttrium doping, for optically controlled, mid-IR reflectance modulation. In undoped zinc oxide, we demonstrate unity-order permittivity modulation by optical doping, with 20ps response time. With TiN-AZO Berreman-metasurfaces, we demonstrate simultaneous picosecond switching at telecom wavelengths, and nanosecond switching in the visible regime. Employing the ENZ effects in aluminum-doped zinc oxide, we demonstrate nonlinear optical phenomena spanning optical time-reversal to negative refraction. Our work will aid the development of dynamic devices for a wide array of dynamic optical applications.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"442 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133958310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Excitonic semiconductors on plasmonic substrates: optical and electronic effects 等离子基板上的激子半导体:光学和电子效应
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2593850
D. Jariwala
{"title":"Excitonic semiconductors on plasmonic substrates: optical and electronic effects","authors":"D. Jariwala","doi":"10.1117/12.2593850","DOIUrl":"https://doi.org/10.1117/12.2593850","url":null,"abstract":"Two-Dimensional (2D) chalcogenides of Mo and W are semiconductors that show strong excitonic responses due to their highly quantum-confined character. This talk will discuss our recent work on optical phenomena and electronic phenomena in 2D semiconductors when they are placed in close proximity on plasmonic substrates such as Au, Ag and Al. I will present how 1D nanostructuring of Mos2, WS2, WSe2 etc. into nanophotonic dielectric gratings can enable exploration of new regimes of light-matter confinement including formation of hybrid exciton-plasmon-polariton states. I will extend this concept to 2D hybrid pervoskites and superlattices. Finally, I will also show how using a plasmonic tip once can use near-field tip based micro-spectroscopy to probe defects, interfaces and hybrid states in 2D excitonic semiconductors","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125434425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Designing plasmonic nanoparticle lattices for directional, in-plane lasing 设计用于定向平面内激光的等离子体纳米粒子晶格
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2594760
J. Guan, Marc R. Bourgeois, Ran Li, Jingtian Hu, R. Schaller, G. Schatz, T. Odom
{"title":"Designing plasmonic nanoparticle lattices for directional, in-plane lasing","authors":"J. Guan, Marc R. Bourgeois, Ran Li, Jingtian Hu, R. Schaller, G. Schatz, T. Odom","doi":"10.1117/12.2594760","DOIUrl":"https://doi.org/10.1117/12.2594760","url":null,"abstract":"Band structures engineering of periodic optical structures enables the control of light propagation and localization. Although photons trapped inside 2D lattices can be described within the first Brillouin zone in reciprocal space, the wavevectors of scattered photons outside the lattice are limited by the 3D light cone, which depicts the free-photon dispersion in the surroundings. Because plasmonic nanoparticle lattices show unique dual properties of light trapping and strong scattering, this material platform is promising for investigations of radiative losses. This talk describes how light-cone surface lattice resonance (SLRs) from plasmonic nanoparticle lattices allow the observation of radiated electromagnetic fields. We theoretically predicted the angular distributions of the radiated fields, and experimentally probed the light-cone SLR modes by in-plane lasing emission. These results provide a nanolaser design strategy to achieve tunable lasing colors by lattice rotation.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129205466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plasmonic metaplatforms for enhanced light control 用于增强光控制的等离子体元平台
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2594697
A. Davoyan
{"title":"Plasmonic metaplatforms for enhanced light control","authors":"A. Davoyan","doi":"10.1117/12.2594697","DOIUrl":"https://doi.org/10.1117/12.2594697","url":null,"abstract":"In this talk I will discuss our work on the way light confinement within plasmonic nanostructures leads to new regimes of light manipulation and control. Firstly, I will discuss the way dispersion engineering may lead to new regimes for controlling nonlinear light-material interaction, including phase mismatch-free and broadband operation. I will discuss generation of classical and quantum light in such systems. Secondly, I will highlight our theoretical works on the study of magnetized nanoplasmonic structures. Specifically, as I will demonstrate magnetization combined with the symmetry breaking naturally available in plamonic systems leads to topologically nontrivial regimes of light propagation, which is manifested in one-way propagating and rotating modes. Lastly, I will discuss our experimental work on light absorption within ultrathin film metallic nanostructures and potential applications for optoelectronics.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122471807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Single-molecule localization to imaging the LDOS modification by an array of plasmonic hollow conical nanopillars 等离子体空心锥形纳米柱阵列对LDOS修饰的单分子定位成像
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2594858
R. M. Córdova-Castro, D. Jonker, C. Cabriel, B. V. Dam, Y. D. Wilde, I. Izeddin, A. S. Arce, V. Krachmalnicoff
{"title":"Single-molecule localization to imaging the LDOS modification by an array of plasmonic hollow conical nanopillars","authors":"R. M. Córdova-Castro, D. Jonker, C. Cabriel, B. V. Dam, Y. D. Wilde, I. Izeddin, A. S. Arce, V. Krachmalnicoff","doi":"10.1117/12.2594858","DOIUrl":"https://doi.org/10.1117/12.2594858","url":null,"abstract":"We study the modification of fluorescence emission and decay rate of single fluorescent molecules in the near field of a periodic plasmonic nanostructure formed by a square lattice of Au hollow conical pillars with a periodicity of 250 nm. We perform nanometer-resolved imaging of the LDOS by simultaneously mapping the position and the decay rate of photoactivatable single-molecules with a novel super-resolved microscopy approach which enables multiplexed and super-resolved fluorescence lifetime imaging at the single-molecule level (smFLIM) with a field of view of ~10 µm2. We observe the LDOS modification of such optically rich material at different illumination conditions and we measure a large Purcell factor enhancement which increases for oblique illumination of the nanostructure.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132286822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nanoscale optics with plasmonic nanoparticle lattices 等离子体纳米粒子晶格的纳米光学
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2603682
T. Odom
{"title":"Nanoscale optics with plasmonic nanoparticle lattices","authors":"T. Odom","doi":"10.1117/12.2603682","DOIUrl":"https://doi.org/10.1117/12.2603682","url":null,"abstract":"This talk will discuss current advances and future prospects in manipulating light at the nanoscale by plasmonic nanoparticle lattices. These meta-materials support collective hybrid resonances with both light scattering and localization properties. First, we will describe the expanded scope of plasmonic lattices based on exquisite tuning of topological symmetries and nanoparticle materials. Next, we will highlight how the nanoscale cavities combined with quantum emitters show unprecedented nano-lasing properties. Finally, we will discuss how this platform is opening new opportunities in imaging, strong coupling, and photoelectrocatalysis.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126281695","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The increased photostability of polymers in ambient oxygen via plasmonic enhanced fluorescence 通过等离子体增强荧光提高聚合物在环境氧中的光稳定性
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2594762
S. Goldberg, L. Peteanu
{"title":"The increased photostability of polymers in ambient oxygen via plasmonic enhanced fluorescence","authors":"S. Goldberg, L. Peteanu","doi":"10.1117/12.2594762","DOIUrl":"https://doi.org/10.1117/12.2594762","url":null,"abstract":"Organic semiconductors are commonly used for the development optoelectronic devices. However, these materials degrade rapidly in the presence of light and oxygen. we expand upon our previously methods of using thin metal films to enhance the stability of a polymer via metal enhanced fluorescence. When overlap of the plasmon peak and peak fluorescence of the polymer is achieved the radiative decay rate increases. The plasmon can be tuned via changing the deposition time and current settings of the sputter coater used for coating. By obtaining fluorescence images of the polymer deposited on the metal film compare to on glass in ambient air, a high degree of stabilization is found via plasmonic interactions. Lifetimes were also obtained of the polymer on glass, an electron transporting layer, and a gold film to compare the changes in lifetime from plasmonic interactions versus charge transfer. The usefulness of plasmonic for organic solar cell materials was probed in this way.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134640364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blocking plasmon-molecule charge transfer using surface ligands 利用表面配体阻断等离子体-分子电荷转移
Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX Pub Date : 2021-08-02 DOI: 10.1117/12.2594606
T. Habteyes, Hamed Kookhaee, T. Tesema
{"title":"Blocking plasmon-molecule charge transfer using surface ligands","authors":"T. Habteyes, Hamed Kookhaee, T. Tesema","doi":"10.1117/12.2594606","DOIUrl":"https://doi.org/10.1117/12.2594606","url":null,"abstract":"We will present the manifestations of plasmon-molecule energy and electron transfer processes as observed surface enhanced Raman spectroscopy (SERS). We observe that in presence of intermediary surface ligands, the electron transfer channel is turned off. On the other hand, the presence of surface ligands facilitates plasmon to molecule energy transfer (plasmon pumped adsorbate intramolecular electronic excitation) by orienting the analyte molecules along the surface field vector as well as by prolonging the excited state lifetime. The adsorbate excitation appears to be followed by singlet to triplet intersystem crossing that leads to singlet oxygen generation that initiates N-demethylation reaction as demonstrated using the reactivity of methylene.","PeriodicalId":118068,"journal":{"name":"Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XIX","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130671691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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