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2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)最新文献

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Silicon-integrated Single Pixel Terahertz Camera 硅集成单像素太赫兹相机
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370707
R. Jain, P. Hillger, J. Grzyb, U. Pfeiffer
{"title":"Silicon-integrated Single Pixel Terahertz Camera","authors":"R. Jain, P. Hillger, J. Grzyb, U. Pfeiffer","doi":"10.1109/IRMMW-THz46771.2020.9370707","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370707","url":null,"abstract":"We present an all-electronic THz single pixel camera (SPC) implemented in a commercial 0.13 μm SiGe BiCMOS technology. The key enabling element is a source array system-on-a-chip (SoC) consisting of 8 × 8 unlocked source pixels. Together, they radiate maximum 10.8 mW of power at 0.42 THz. The SoC includes programmable logic to project structured, reconfigurable THz light that can be multiplexed in space and modulation frequency. It is paired with a single pixel direct power detector to demonstrate an SPC system that can potentially capture high dynamic range THz images at thousands of frames each second.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"22 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85241698","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
High-speed, low-noise thermoelectric graphene detectors at terahertz frequencies 高速，低噪音热电石墨烯探测器在太赫兹频率
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370662
L. Viti, A. Cadore, D. Purdie, J. Muench, Xinxin Yang, Kenji Watanabe, T. Taniguchi, A. Vorobiev, J. Stake, A. Lombardo, A. Ferrari, M. Vitiello
{"title":"High-speed, low-noise thermoelectric graphene detectors at terahertz frequencies","authors":"L. Viti, A. Cadore, D. Purdie, J. Muench, Xinxin Yang, Kenji Watanabe, T. Taniguchi, A. Vorobiev, J. Stake, A. Lombardo, A. Ferrari, M. Vitiello","doi":"10.1109/IRMMW-THz46771.2020.9370662","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370662","url":null,"abstract":"We report room temperature terahertz detection in hBN/graphene/hBN heterostructures, integrated in top-gated field effect transistors. The record combination of high-speed (response time < 1 ns) and high sensitivity (noise equivalent power ~ 100 pWHz-1I2) is enabled by the photo-thermoelectric effect and paves the way for the design of ultrafast graphene arrays in the far infrared, opening concrete perspectives for targeting ultrafast applications.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"60 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76868871","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
Photo-carrier doping effect on high-order harmonic generation in monolayer WSe2 光载流子掺杂对单层WSe2中高次谐波产生的影响
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370876
K. Nagai, K. Uchida, S. Kusaba, T. Endo, Y. Miyata, Koichiro Tanaka
{"title":"Photo-carrier doping effect on high-order harmonic generation in monolayer WSe2","authors":"K. Nagai, K. Uchida, S. Kusaba, T. Endo, Y. Miyata, Koichiro Tanaka","doi":"10.1109/IRMMW-THz46771.2020.9370876","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370876","url":null,"abstract":"We have investigated the photo-carrier doping effect on high-order harmonic generation in monolayer WSe2. The intensity change of harmonics induced by the photo-carrier doping suggests that the interband and intraband mechanism is comparable in the lower energy region than the absorption edge whereas the interband mechanism is dominant in the higher energy region.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"70 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77007938","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
Probing the Low-Temperature Phase Transition in $text{Er}_{x}mathrm{Y}_{1-x}text{FeO}_{3}$ by Terahertz Magnetospectroscopy 用太赫兹磁谱法探测$text{Er}_{x} maththrm {Y}_{1-x}text{FeO}_{3}$的低温相变
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370778
N. M. Peraca, M. Bamba, K. Hayashida, X. Li, X. Ma, T. Makihara, D. F. Padilla, C. Huang, E. Morosan, H. Pu, S. Cao, J. Kono
{"title":"Probing the Low-Temperature Phase Transition in $text{Er}_{x}mathrm{Y}_{1-x}text{FeO}_{3}$ by Terahertz Magnetospectroscopy","authors":"N. M. Peraca, M. Bamba, K. Hayashida, X. Li, X. Ma, T. Makihara, D. F. Padilla, C. Huang, E. Morosan, H. Pu, S. Cao, J. Kono","doi":"10.1109/IRMMW-THz46771.2020.9370778","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370778","url":null,"abstract":"We have studied the terahertz response of the rare-earth orthoferrite $text{Er}_{x}mathrm{Y}_{1-x}text{FeO}_{3}$ as a function of magnetic field, temperature, and yttrium composition ($x$). Through theoretical modelling based on an extended Dicke Hamiltonian, we provide new insight into the role of cooperative, “superradiant” interactions between Er spins and Fe magnons in the low-temperature phase transition that this magnetic system exhibits.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"7 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76266338","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
THz Vibrational Modes of Halide Double Perovskite Cs2AgBiBr6 at Band Gap Resonance 卤化物双钙钛矿Cs2AgBiBr6在带隙共振下的太赫兹振动模式
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370551
Collin Tower, M. Reedyk
{"title":"THz Vibrational Modes of Halide Double Perovskite Cs2AgBiBr6 at Band Gap Resonance","authors":"Collin Tower, M. Reedyk","doi":"10.1109/IRMMW-THz46771.2020.9370551","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370551","url":null,"abstract":"Cs2AgBiBr6 is a member of the halide double perovskite family with high photovoltaic efficiency. We have synthesized single crystals of CS2AgBiBr6 from solution using a controlled cooling method. The THz vibrational modes near band gap resonance were investigated by temperature dependent Raman scattering, supplemented by optical transmission measurements of the band gap itself. With a 532.8 nm laser the mode at 5.36 THz shows a very strong resonance peaked at 30 K.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"71 1","pages":"01-02"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73605660","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
Wide Bandwidth Millimeter-wave System-on-Chip Development and Applications 宽频带毫米波片上系统的开发与应用
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370479
Yilun Zhu, Ying Chen, Jo-Han Yu, G. Yu, Xianzi Liu, C. Domier, J. Dannenberg, N. Luhmann
{"title":"Wide Bandwidth Millimeter-wave System-on-Chip Development and Applications","authors":"Yilun Zhu, Ying Chen, Jo-Han Yu, G. Yu, Xianzi Liu, C. Domier, J. Dannenberg, N. Luhmann","doi":"10.1109/IRMMW-THz46771.2020.9370479","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370479","url":null,"abstract":"Wide bandwidth transmitter and receiver chips have been successfully developed by the Davis Millimeter-Wave Research Center, including V-band (55–75 GHz) and W-band (75–110 GHz), with F-band (110–140 GHz) receiver chips awaiting test following tape-out. They are expected to satisfy many commercial and scientific applications with substantial cost reduction. They provide 30x signal gain compared with previous Schottky mixer planar antenna front-end approaches by employing a pre-LNA on the receiver chip. The typical noise temperature is suppressed below 4,000 Kelvin. An internal local oscillator chain provides a compact, portable detection solution.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"1 1","pages":"01-02"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85828113","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: 2
Terahertz Characterization of Roman Amphora Sherds 罗马双耳罐碎片的太赫兹特性
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370471
Min Zhai, A. Locquet, Cèsar Carreras Monfort, Kévin Kazek, D. Citrin
{"title":"Terahertz Characterization of Roman Amphora Sherds","authors":"Min Zhai, A. Locquet, Cèsar Carreras Monfort, Kévin Kazek, D. Citrin","doi":"10.1109/IRMMW-THz46771.2020.9370471","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370471","url":null,"abstract":"Amphorae frequently have a whitish skin that has been mistaken for a slip or painted layer over the otherwise pinkish ceramic. This skin is due to the simultaneous presence of calcite and NaCl in the clay, leading to depletion of red iron oxides near the surface. We demonstrate that terahertz time-of-flight tomography can provide a nondestructive, contactless means to measure the skin thickness on amphora sherds, finding a thickness of ~50 μm.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"8 1","pages":"01-01"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84095928","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
2D - THz-Spectroscopy on a Quantum Cascade Structure 量子级联结构的二维太赫兹光谱
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9371000
S. Markmann, M. Franckié, S. Pal, M. Fiebig, D. Stark, M. Beck, G. Scalari, J. Faist
{"title":"2D - THz-Spectroscopy on a Quantum Cascade Structure","authors":"S. Markmann, M. Franckié, S. Pal, M. Fiebig, D. Stark, M. Beck, G. Scalari, J. Faist","doi":"10.1109/IRMMW-THz46771.2020.9371000","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9371000","url":null,"abstract":"We use two-dimensional (2D) THz-spectroscopy to study the $chi^{(3)}$ non-linearities originating from four-wave mixing (FWM) in a quantum cascade structure (QCS), embedded in a single-plasmon waveguide. This approach allows us to extract the strength of all system non-linearities, study time-resolved system properties such as population and coherence lifetimes, as well as identify the dominant scattering mechanisms of the unbiased QCS at 10K.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"14 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78283797","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
Improvement of transmittance using groove structured surface for microwave imaging diagnostics in tokamak plasmas 利用沟槽结构表面提高托卡马克等离子体微波成像诊断的透光率
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370606
Xinhang Xu, Jinlin Xie, Lifu Zhang, C. Qu, G. Zhuang, Wandong Liu
{"title":"Improvement of transmittance using groove structured surface for microwave imaging diagnostics in tokamak plasmas","authors":"Xinhang Xu, Jinlin Xie, Lifu Zhang, C. Qu, G. Zhuang, Wandong Liu","doi":"10.1109/IRMMW-THz46771.2020.9370606","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370606","url":null,"abstract":"Groove plate with triangle structure has been designed and fabricated to improve the microwave transmittance in W band. The parameters of the triangle structure has been optimized via the Effective Medium Theory (EMT) and FDTD program. The antireflection surface in W band has been verified in lab, the experimental results are qualitatively consistent with the theoretical results.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"2 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73253318","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
In-line THz Multiplexer Fabricated by Additive Manufacturing 用增材制造制造的在线太赫兹多路复用器
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2020-11-08 DOI: 10.1109/IRMMW-THz46771.2020.9370382
A. Hernandez-Serrano, S. Leigh, E. Pickwell‐MacPherson
{"title":"In-line THz Multiplexer Fabricated by Additive Manufacturing","authors":"A. Hernandez-Serrano, S. Leigh, E. Pickwell‐MacPherson","doi":"10.1109/IRMMW-THz46771.2020.9370382","DOIUrl":"https://doi.org/10.1109/IRMMW-THz46771.2020.9370382","url":null,"abstract":"In this work we present a 3D printed mux/demux device based on rectangular waveguides. The principle of operation of the proposed technology relies on the coupled mode theory. The proposed device is able to merge and separate two independent broadband input channels into a single output channel. This represents an attractive option for novel passive elements able to process broadband THz signals for communication proposes.","PeriodicalId":6746,"journal":{"name":"2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"20 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2020-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78646813","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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