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2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics最新文献

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Diffraction inspired unidirectional transmission with sign-switchable refraction and deflection 衍射激发的单向传输，具有符号可切换的折射和偏转
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948596
P. Rodriguez-Ulibarri, M. Beruete, M. Navarro‐Cía, A. Serebryannikov
{"title":"Diffraction inspired unidirectional transmission with sign-switchable refraction and deflection","authors":"P. Rodriguez-Ulibarri, M. Beruete, M. Navarro‐Cía, A. Serebryannikov","doi":"10.1109/METAMATERIALS.2014.6948596","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948596","url":null,"abstract":"In this work, we present an asymmetric transmission structure composed of a dielectric grating laying over a stack of several perforated metallic plates that operate at the extraordinary transmission resonance. The combination of the diffraction modes generated by the grating and the intrinsic dispersion of the stacked hole arrays (SHA) structure leads to exotic propagation regimes which include unidirectional propagation with sign-switchable refraction and deflection. Several coupling scenarios will be analyzed and then numerical simulations will be presented as well as experimental results in the V band of millimeter waves.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123277340","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: 1
Non-reciprocal devices enabled by metamaterials 由超材料实现的非互易装置
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948579
D. Sounas, A. Alú
{"title":"Non-reciprocal devices enabled by metamaterials","authors":"D. Sounas, A. Alú","doi":"10.1109/METAMATERIALS.2014.6948579","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948579","url":null,"abstract":"Advances in non-reciprocal devices enabled by metamaterials are presented. In particular, a compact polarization-independent isolator is proposed based on metasurfaces with modulated periodicity, which may provide similar functionality as conventional polarizing beam-splitters (PBSs) based on uniaxial crystals but with dimensions many orders of magnitude smaller. Furthermore, direction-selective non-reciprocal devices, such as isolators and Faraday rotators, are introduced by placing magneto-optical (MO) slabs in between epsilon-near-zero (ENZ) materials. Finally, a new class of sub-wavelength nonlinear magnetic-free isolators is proposed, consisting of a non-linear band-stop metasurface and a linear bandpass one at the opposite sides of a quarter-wavelength slab.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122480479","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
Passive mode-locked spaser for clock generation in plasmonic devices 用于等离子体器件时钟产生的无源锁模spaser
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948610
A. Dorofeenko, I. Nechepurenko, A. Vinogradov, A. Pukhov
{"title":"Passive mode-locked spaser for clock generation in plasmonic devices","authors":"A. Dorofeenko, I. Nechepurenko, A. Vinogradov, A. Pukhov","doi":"10.1109/METAMATERIALS.2014.6948610","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948610","url":null,"abstract":"We propose a THz frequency clock generator for prospective plasmonic devices. The device is based on the optical frequency plasmonic generator (spaser), which includes both gain medium and saturable absorber. The latter enables a passive mode-locking regime and leads to spiking. This effect is confirmed by modelling using the realistic parameters.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121098735","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
Amplification of terahertz radiation by plasmonic graphene metasurfaces 等离子体石墨烯超表面对太赫兹辐射的放大
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948662
V. Popov, T. Otsuji, V. Ryzhii
{"title":"Amplification of terahertz radiation by plasmonic graphene metasurfaces","authors":"V. Popov, T. Otsuji, V. Ryzhii","doi":"10.1109/METAMATERIALS.2014.6948662","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948662","url":null,"abstract":"It is shown that plasmonic graphene metasurfaces can effectively amplify and generate terahertz radiation at room temperature.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"2015 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121526343","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
Metamaterials for ultra-broadband super absorbers based on plasmon hybridization 基于等离子体杂化的超宽带超吸收材料
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948642
Michaël Lobet, Luc Henrard
{"title":"Metamaterials for ultra-broadband super absorbers based on plasmon hybridization","authors":"Michaël Lobet, Luc Henrard","doi":"10.1109/METAMATERIALS.2014.6948642","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948642","url":null,"abstract":"We propose metamaterial super absorbers that efficiently absorb incoming radiation over an operational bandwidth ranging from 0.20-5.99 μm with an integrated absorption as high as 97.1%. A periodic array of pyramidal metal-dielectric (Au/Si) layers acts as broadband coupled plasmonic resonators. Plasmon hybridization of dipolar modes is shown to be the prominent mechanism in broadband absorption.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114882565","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: 5
Strong optical angular momentum dependence of scattering of Laguerre-Gaussian beams from silicon nano-sphere clusters 硅纳米球团簇拉盖尔-高斯光束散射的强光学角动量依赖性
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948604
A. Al-Jarro, C. G. Biris, N. Panoiu
{"title":"Strong optical angular momentum dependence of scattering of Laguerre-Gaussian beams from silicon nano-sphere clusters","authors":"A. Al-Jarro, C. G. Biris, N. Panoiu","doi":"10.1109/METAMATERIALS.2014.6948604","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948604","url":null,"abstract":"Comprehensive simulations are employed to study the interaction between Laguerre-Gaussian (LG) beams and chiral clusters made of silicon nano-spheres. It is demonstrated that the scattering process is strongly dependent on the orbital and spin angular momentum carried by the LG beams, an effect explained by the selective suppression or resonantly enhanced excitation of Mie modes of the spheres. We show that our results are valid both in the case of a single sphere and clusters made of such spheres, suggesting that the conclusions of our study could be applied to a broad array of applications relying on angular momentum dependent light interaction with ensembles of nanoparticles.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128044795","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
Electric-field tunable THz metamaterials based on strained SrTiO3 films 基于应变SrTiO3薄膜的电场可调谐太赫兹超材料
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948559
C. Kadlec, V. Skoromets, F. Dominec, H. Němec, F. Kadlec, J. Schubert, J. Heyes, D. R. Chowdhury, H.-T. Chen, P. Kužel
{"title":"Electric-field tunable THz metamaterials based on strained SrTiO3 films","authors":"C. Kadlec, V. Skoromets, F. Dominec, H. Němec, F. Kadlec, J. Schubert, J. Heyes, D. R. Chowdhury, H.-T. Chen, P. Kužel","doi":"10.1109/METAMATERIALS.2014.6948559","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948559","url":null,"abstract":"We demonstrate the possibility to tune the permittivity of thin films of strontium titanate by means of an electric field. We propose to deposit on top of such films a metallic metamaterial structure designed to resonate in the terahertz range. The amplitude and frequency of this resonance will then be tunable by applying a bias.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"49 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131336667","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
Cylindrical acoustic Luneburg lens 圆柱形声学鲁讷堡透镜
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948561
S. Kim
{"title":"Cylindrical acoustic Luneburg lens","authors":"S. Kim","doi":"10.1109/METAMATERIALS.2014.6948561","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948561","url":null,"abstract":"We developed a two-dimensional acoustic Luneburg lens by changing the density of the medium inside the lens. The lens has a cylindrical shape and composes of about seven hundred aluminum columns with various radii of less than 2cm. It has 15 layers and the diameter of the lens is 60cm. The lens focuses the incoming acoustic waves on the edge of the opposite side of the lens as well in the frequency range of 1, 500Hz ~ 2, 500Hz. It increases the acoustic pressure of the incoming wave by 3 ~ 5 times.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131591645","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: 9
Superdirective “meta-molecules” Superdirective“meta-molecules”
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948671
E. Shamonina, L. Solymar
{"title":"Superdirective “meta-molecules”","authors":"E. Shamonina, L. Solymar","doi":"10.1109/METAMATERIALS.2014.6948671","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948671","url":null,"abstract":"We show that superdirectivity can be achieved in metamaterial structures by relying on magneto- and electro-inductive waves capable of providing the rapidly varying current distribution needed. Following our previous studies on dimers we extend in this paper our analysis to trimers of split rings coupled both magnetically and electrically. We deduce rigorous analytical conditions for achieving superdirectivity in terms of separation and detuning of meta-atoms, quality factors and mutual coupling. Our results may pave the way to the first realization of genuine superdirective metamaterials.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130314438","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: 10
A MEMS reconfigurable metamaterial for terahertz filter applications 一种用于太赫兹滤波器的MEMS可重构超材料
2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics Pub Date : 2014-11-06 DOI: 10.1109/METAMATERIALS.2014.6948554
Zhengli Han, K. Kohno, Tapio Makela, T. Haatainen, H. Fujita, K. Hirakawa, H. Toshiyoshi
{"title":"A MEMS reconfigurable metamaterial for terahertz filter applications","authors":"Zhengli Han, K. Kohno, Tapio Makela, T. Haatainen, H. Fujita, K. Hirakawa, H. Toshiyoshi","doi":"10.1109/METAMATERIALS.2014.6948554","DOIUrl":"https://doi.org/10.1109/METAMATERIALS.2014.6948554","url":null,"abstract":"We propose and demonstrate a tunable terahertz band stop filter by using metamaterial with a reconfiguring RF-MEMS (radio frequency - micro electro mechanical systems) capacitor within the split-ring resonator (SRR) based on electrostatic actuation. The device is compatible with the surface micromachining process.","PeriodicalId":151955,"journal":{"name":"2014 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130948558","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: 5
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