Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746513
A. Palermo, S. Krodel, A. Marzani, C. Daraio
We propose to use arrays of resonant structures buried around sensitive locations as protection against surface seismic waves. The resonant structures consist of concrete tubes containing a steel mass suspended by soft bearings. We verify their design numerically and on a scaled experimental campaign. The arrays attenuate and redirect Rayleigh waves within the [1-10Hz] frequency range.
{"title":"Seismic surface waves attenuation by buried resonators","authors":"A. Palermo, S. Krodel, A. Marzani, C. Daraio","doi":"10.1109/METAMATERIALS.2016.7746513","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746513","url":null,"abstract":"We propose to use arrays of resonant structures buried around sensitive locations as protection against surface seismic waves. The resonant structures consist of concrete tubes containing a steel mass suspended by soft bearings. We verify their design numerically and on a scaled experimental campaign. The arrays attenuate and redirect Rayleigh waves within the [1-10Hz] frequency range.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"5 1","pages":"271-273"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82482728","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746380
P. Kwiecien, I. Richter, V. Kuzmiak, J. Čtyroký
We have studied theoretically guiding structures based on the highly-dispersive polaritonic InSb semiconductor material, in the presence of an external magnetic field. The Voigt magnetooptic configuration has been imposed to enable nonreciprocity (and one-way propagation) bringing new interesting phenomena in connection with magnetoplasmons. For that purpose, we have developed an efficient two dimensional numerical technique based on the magnetooptic aperiodic rigorous coupled wave analysis (MOaRCWA), capable of numerically handling such problems. Taking into account the InSb permittivity tensor dispersions, together with corresponding nonreciprocal dispersion diagrams, we have explored - via the MOaRCWA technique - nonreciprocal behavior of these THz guiding structures.
{"title":"Study on one-way guiding InSb structures for THz spectral region","authors":"P. Kwiecien, I. Richter, V. Kuzmiak, J. Čtyroký","doi":"10.1109/METAMATERIALS.2016.7746380","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746380","url":null,"abstract":"We have studied theoretically guiding structures based on the highly-dispersive polaritonic InSb semiconductor material, in the presence of an external magnetic field. The Voigt magnetooptic configuration has been imposed to enable nonreciprocity (and one-way propagation) bringing new interesting phenomena in connection with magnetoplasmons. For that purpose, we have developed an efficient two dimensional numerical technique based on the magnetooptic aperiodic rigorous coupled wave analysis (MOaRCWA), capable of numerically handling such problems. Taking into account the InSb permittivity tensor dispersions, together with corresponding nonreciprocal dispersion diagrams, we have explored - via the MOaRCWA technique - nonreciprocal behavior of these THz guiding structures.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"48 1","pages":"307-309"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78184368","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746440
P. Gutsche, Raquel Mausle, S. Burger
In this contribution we present results from a numerical study of light propagation in helical metamaterials. In particular, light interaction with hexagonal lattices of three intertwined tapered gold helices is studied. Regimes of tunable, local optical chirality enhancement and tunable, local field energy enhancement are identified.
{"title":"Tailoring local optical chirality in helical metamaterials","authors":"P. Gutsche, Raquel Mausle, S. Burger","doi":"10.1109/METAMATERIALS.2016.7746440","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746440","url":null,"abstract":"In this contribution we present results from a numerical study of light propagation in helical metamaterials. In particular, light interaction with hexagonal lattices of three intertwined tapered gold helices is studied. Regimes of tunable, local optical chirality enhancement and tunable, local field energy enhancement are identified.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"74 1","pages":"73-75"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86919480","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746432
S. Gómez‐Graña, M. Tréguer-Delapierre, É. Duguet, J. Salmon, J. Leng, V. Kravets, A. Grigorenko, A. Peyyety, V. Ponsinet, P. Richetti, A. Baron, D. Torrent-Marti, P. Barois
Raspberry-like plasmonic nanoclusters have been synthesized by nanochemistry and self-assembled into bulk metamaterials in microfluidic devices. The optical properties of the nanoclusters have been studied by polarization resolved light scattering prior to assembling. The scattering efficiencies of the electric and magnetic multipoles are unambiguously determined experimentally, in excellent agreement with numerical simulations. The residual degree of anisotropy inherent to the self-assembly process is measured. The effective magnetic permeability of the assembled material differs notably from 1 and shows no significant dependence on the direction of propagation.
{"title":"Isotropic 3D optical magnetism in visible light in a self-assembled metamaterial","authors":"S. Gómez‐Graña, M. Tréguer-Delapierre, É. Duguet, J. Salmon, J. Leng, V. Kravets, A. Grigorenko, A. Peyyety, V. Ponsinet, P. Richetti, A. Baron, D. Torrent-Marti, P. Barois","doi":"10.1109/METAMATERIALS.2016.7746432","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746432","url":null,"abstract":"Raspberry-like plasmonic nanoclusters have been synthesized by nanochemistry and self-assembled into bulk metamaterials in microfluidic devices. The optical properties of the nanoclusters have been studied by polarization resolved light scattering prior to assembling. The scattering efficiencies of the electric and magnetic multipoles are unambiguously determined experimentally, in excellent agreement with numerical simulations. The residual degree of anisotropy inherent to the self-assembly process is measured. The effective magnetic permeability of the assembled material differs notably from 1 and shows no significant dependence on the direction of propagation.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"1 1","pages":"52-54"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90539889","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746482
A. Komar, Z. Fang, I. Staude, M. Decker, A. Miroshnichenko, J. Sautter, I. Brener, Y. Kivshar, D. Neshev
We demonstrate experimentally electrical tuning of dielectric metasurface, consisting of silicon disks infiltrated with nematic liquid crystals. In particular, we show that by switching a control voltage on and off we can achieve 100% amplitude modulation and approximately π phase shift. This is for the first time to our knowledge demonstration of electrical tuning of dielectric metasurfaces thus opening the way for new types of electrically tunable metadevices, including dynamic displays and holograms.
{"title":"Electrical tuning of all dielectric metasurfaces","authors":"A. Komar, Z. Fang, I. Staude, M. Decker, A. Miroshnichenko, J. Sautter, I. Brener, Y. Kivshar, D. Neshev","doi":"10.1109/METAMATERIALS.2016.7746482","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746482","url":null,"abstract":"We demonstrate experimentally electrical tuning of dielectric metasurface, consisting of silicon disks infiltrated with nematic liquid crystals. In particular, we show that by switching a control voltage on and off we can achieve 100% amplitude modulation and approximately π phase shift. This is for the first time to our knowledge demonstration of electrical tuning of dielectric metasurfaces thus opening the way for new types of electrically tunable metadevices, including dynamic displays and holograms.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"5 1","pages":"187-189"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76790331","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746395
R. Stevenson, M. Sazegar, A. Bily, M. Johnson, N. Kundtz
For mobile, broadband satellite communications applications such as the connected car, a high-gain, scanning antenna is required. Kymeta® is commercializing an electronically scanned, metamaterial antenna technology achieved through the use of diffractive metasurfaces and high-birefringence liquid crystals. Kymeta's technology is positioned for mass production by leveraging the manufacturing capabilities of the liquid crystal display industry.
{"title":"Metamaterial surface antenna technology: Commercialization through diffractive metamaterials and liquid crystal display manufacturing","authors":"R. Stevenson, M. Sazegar, A. Bily, M. Johnson, N. Kundtz","doi":"10.1109/METAMATERIALS.2016.7746395","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746395","url":null,"abstract":"For mobile, broadband satellite communications applications such as the connected car, a high-gain, scanning antenna is required. Kymeta® is commercializing an electronically scanned, metamaterial antenna technology achieved through the use of diffractive metasurfaces and high-birefringence liquid crystals. Kymeta's technology is positioned for mass production by leveraging the manufacturing capabilities of the liquid crystal display industry.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"2014 1","pages":"349-351"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86438155","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746488
Y. U. Lee, J. Wu
In this study, we observe that a dark mode is not necessarily prerequisite for an asymmetric Fano resonance to take place in plasmonic structures. The characteristic asymmetry feature of Fano resonance is retained in a plasmonic structure when both superradiant and subradiant oscillators are externally driven. Double Fano resonances are experimentally and theoretically observed where a common subradiant driven oscillator is coupled with two superradiant oscillators. As a classical analogue of a four-level tripod atomic system, the extinction spectrum of the composite metamaterial exhibits a coherent effect based on double Fano resonances. Transfer of the absorbed power between two orthogonal superradiant oscillators is shown to be mediated by the common subradiant oscillator.
{"title":"Double Fano resonance with externally driven subradiant mode","authors":"Y. U. Lee, J. Wu","doi":"10.1109/METAMATERIALS.2016.7746488","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746488","url":null,"abstract":"In this study, we observe that a dark mode is not necessarily prerequisite for an asymmetric Fano resonance to take place in plasmonic structures. The characteristic asymmetry feature of Fano resonance is retained in a plasmonic structure when both superradiant and subradiant oscillators are externally driven. Double Fano resonances are experimentally and theoretically observed where a common subradiant driven oscillator is coupled with two superradiant oscillators. As a classical analogue of a four-level tripod atomic system, the extinction spectrum of the composite metamaterial exhibits a coherent effect based on double Fano resonances. Transfer of the absorbed power between two orthogonal superradiant oscillators is shown to be mediated by the common subradiant oscillator.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"65 1","pages":"205-207"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75102935","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746429
J. Baena, M. Londoño
We have achieved a broadband transparent metasurface useful for full phase control and conversion from linear polarization to any elliptical polarization. This can be applied in the field of telecommunications to obtain circular polarized signals, taking advantage of that every other polarization state can be decomposed into two circular polarized signals, and thus achieving always a communication between antennas.
{"title":"Broadband transparent metasurfaces for full phase shift and polarization control","authors":"J. Baena, M. Londoño","doi":"10.1109/METAMATERIALS.2016.7746429","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746429","url":null,"abstract":"We have achieved a broadband transparent metasurface useful for full phase control and conversion from linear polarization to any elliptical polarization. This can be applied in the field of telecommunications to obtain circular polarized signals, taking advantage of that every other polarization state can be decomposed into two circular polarized signals, and thus achieving always a communication between antennas.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"83 1","pages":"43-45"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75164407","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746384
L. Schwan, A. Geslain, J. Groby, V. Romero-García
While metasurfaces properties are known to govern the dispersion relation of Surface Acoustic Wave (SAW) that mimics surface plasmon phenomena, little attention has been paid to the effects of micro-structural dissipation on that dispersion relation. Here we report the experimental and theoretical characterization of both SAW propagation and attenuation in the presence of a lossy metasurface. The latter consists of quarter-wavelength resonators embedded in a rigid board and arranged periodically in a square lattice. Complex SAW wavenumbers are retrieved experimentally using a spatial Laplace Transform, and experimental results are compared with those from an analytical model using Plane Wave Expansions. Both real and imaginary parts of the SAW wavenumber are presented and results bears testament to the hybridisation of the metasurface-induced dispersion relation with periodicity-induced Bragg interferences. The accuracy of homogenization approaches is estimated and the possibility of slow sound applications using such a metasurface is discussed in regard to SAW attenuation.
{"title":"Surface acousticwaves propagation at lossy metasurfaces: Experimental and theoretical characterization of complex dispersion relations","authors":"L. Schwan, A. Geslain, J. Groby, V. Romero-García","doi":"10.1109/METAMATERIALS.2016.7746384","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746384","url":null,"abstract":"While metasurfaces properties are known to govern the dispersion relation of Surface Acoustic Wave (SAW) that mimics surface plasmon phenomena, little attention has been paid to the effects of micro-structural dissipation on that dispersion relation. Here we report the experimental and theoretical characterization of both SAW propagation and attenuation in the presence of a lossy metasurface. The latter consists of quarter-wavelength resonators embedded in a rigid board and arranged periodically in a square lattice. Complex SAW wavenumbers are retrieved experimentally using a spatial Laplace Transform, and experimental results are compared with those from an analytical model using Plane Wave Expansions. Both real and imaginary parts of the SAW wavenumber are presented and results bears testament to the hybridisation of the metasurface-induced dispersion relation with periodicity-induced Bragg interferences. The accuracy of homogenization approaches is estimated and the possibility of slow sound applications using such a metasurface is discussed in regard to SAW attenuation.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"43 1","pages":"319-321"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80953378","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}
Pub Date : 2016-09-01DOI: 10.1109/METAMATERIALS.2016.7746379
J. Ren, X. Zhang
The Dicke subradiance and superradiance resulting from the interaction between surface plasmons of nanospheres and an ensemble of quantum emitters have been investigated by using a Green's function approach. Based on such an investigation, we propose a scheme for a deterministic multi-qubit quantum phase gate. The case of single sphere has been compared with nanosphere cluster which possesses hot spots. The potential application of present phenomena to the quantum-information processing is anticipated.
{"title":"Multi-qubit quantum phase gates based on plasmonic nanospheres","authors":"J. Ren, X. Zhang","doi":"10.1109/METAMATERIALS.2016.7746379","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2016.7746379","url":null,"abstract":"The Dicke subradiance and superradiance resulting from the interaction between surface plasmons of nanospheres and an ensemble of quantum emitters have been investigated by using a Green's function approach. Based on such an investigation, we propose a scheme for a deterministic multi-qubit quantum phase gate. The case of single sphere has been compared with nanosphere cluster which possesses hot spots. The potential application of present phenomena to the quantum-information processing is anticipated.","PeriodicalId":6587,"journal":{"name":"2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)","volume":"20 1","pages":"304-306"},"PeriodicalIF":0.0,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79877277","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}
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