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2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)最新文献

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High effective generation and detection of THz waves using a laser chaos and a super-focusing with metal V-grooved waveguides 利用激光混沌和金属v型槽波导的超聚焦高效产生和探测太赫兹波
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327808
F. Kuwashima, T. Shirao, T. Kishibata, Y. Akamine, Noriyuki Iwao, M. Ooi, M. Tani, K. Kurihara, K. Yamamoto, T. Nagashima, M. Nakajima, M. Hangyo
{"title":"High effective generation and detection of THz waves using a laser chaos and a super-focusing with metal V-grooved waveguides","authors":"F. Kuwashima, T. Shirao, T. Kishibata, Y. Akamine, Noriyuki Iwao, M. Ooi, M. Tani, K. Kurihara, K. Yamamoto, T. Nagashima, M. Nakajima, M. Hangyo","doi":"10.1109/IRMMW-THZ.2015.7327808","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327808","url":null,"abstract":"Generation of a wide-range THz waves are investigated from a photoconductive antenna excited using a chaotic oscillation multimode semiconductor laser with optical delayed feedback by an external mirror. The properties of the generated THz wave are compared with those of a case excited by a CW steady state laser. The stable THz wave is obtained from the multimode-laser diode excited photoconductive antenna by using a laser chaos. For a high sensitive detection, a metal V-grooved waveguide (MVG) is also used. The 1.6 times signal is detected using MVG compared with conventional system using Si lens.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"11 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83692457","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
Air nonlinearity triggered by an ultra-intense sub-5 THz light bullet 由低于5太赫兹的超强烈轻弹引发的空气非线性
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327402
M. Shalaby, C. Hauri
{"title":"Air nonlinearity triggered by an ultra-intense sub-5 THz light bullet","authors":"M. Shalaby, C. Hauri","doi":"10.1109/IRMMW-THZ.2015.7327402","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327402","url":null,"abstract":"Summary form only given. Air turns into a nonlinear medium for electromagnetic waves under exceptionally strong fields [1]. However up to present, its minuscule nonlinear response has limited the exploration to the optical frequency regime owing to the availability of intense near-infrared lasers. Here, we report on the observation of large-amplitude nonlinearity in air induced by an extremely intense light bullet [2] at THz frequencies provoking strong air birefringence [3]. The observed nonlinearity manifests itself as third order susceptibility. The presented nonlinear observations break the barrier for the entire exciting THz-induced nonlinear phenomena in air ranging from THz-induced self-focusing and self-phase modulation to THz solitons and filamentation. Our pulse was 3.9 THz-centered and its peak field and intensity were 3.3 GV/m and 14.4 PW/m2, respectively.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"14 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86776025","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
Spectrum and polarization of THz radiation from two-color femtosecond laser breakdown: Theory and experiment 双色飞秒激光击穿太赫兹辐射的光谱和偏振:理论与实验
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327528
V. Andreeva, M. Esaulkov, O. Kosareva, V. Makarov, N. Panov, D. Shipilo, A. Shkurinov, P. Solyankin
{"title":"Spectrum and polarization of THz radiation from two-color femtosecond laser breakdown: Theory and experiment","authors":"V. Andreeva, M. Esaulkov, O. Kosareva, V. Makarov, N. Panov, D. Shipilo, A. Shkurinov, P. Solyankin","doi":"10.1109/IRMMW-THZ.2015.7327528","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327528","url":null,"abstract":"We present a comprehensive experimental and numerical study of spectral, spatial and polarization features of the widely used THz source - plasma of optical breakdown by a two-color femtosecond laser. We show experimentally presence of high-frequency component of THz radiation related to response of neutral gas molecules. Taking into account evolution of phase and polarization of optical pulses propagating through plasma allows to account for the experimentally observed polarization and spectrum of the emitted pulse.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"83 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83735409","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
Antenna-coupled microcavity enhanced THz photodetectors 天线耦合微腔增强太赫兹光电探测器
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327491
D. Palaferri, Y. Todorov, S. Barbieri, D. Gacemi, Y. N. Chen, A. Vasanelli, L. Li, A. Davies, E. Linfield, C. Sirtori
{"title":"Antenna-coupled microcavity enhanced THz photodetectors","authors":"D. Palaferri, Y. Todorov, S. Barbieri, D. Gacemi, Y. N. Chen, A. Vasanelli, L. Li, A. Davies, E. Linfield, C. Sirtori","doi":"10.1109/IRMMW-THZ.2015.7327491","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327491","url":null,"abstract":"Plasmonic THz photodetectors have been realized in this work, by implementing the active region of a 5 THz quantum well detector with an antenna-coupled microcavity array. Our results demonstrate a clear improvement in responsivity, polarization insensitivity and background limited performance.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"51 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79658093","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
Submillimeter-wave properties of Zn2SiO4 ceramics Zn2SiO4陶瓷的亚毫米波特性
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327946
L. Nedelcu, C. D. Geambașu, M. Banciu, A. Iwamae, T. Furuya, M. Tani
{"title":"Submillimeter-wave properties of Zn2SiO4 ceramics","authors":"L. Nedelcu, C. D. Geambașu, M. Banciu, A. Iwamae, T. Furuya, M. Tani","doi":"10.1109/IRMMW-THZ.2015.7327946","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327946","url":null,"abstract":"Zinc silicate ceramics have been prepared by using conventional ceramic technology. Morphological, structural, and dielectric characterizations of the samples were performed using scanning electron microscopy, X-ray diffraction, and terahertz time-domain spectroscopy. The achieved absorption properties of zinc silicates make them very attractive solutions for submillimeter-wave applications.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"17 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83444720","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: 4
Impact damage characterization in hybrid fiber-reinforced composites using terahertz imaging in time and frequency domain 基于时域和频域太赫兹成像的混杂纤维增强复合材料冲击损伤表征
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327396
Junliang Dong, A. Locquet, N. Declercq, D. Citrin
{"title":"Impact damage characterization in hybrid fiber-reinforced composites using terahertz imaging in time and frequency domain","authors":"Junliang Dong, A. Locquet, N. Declercq, D. Citrin","doi":"10.1109/IRMMW-THZ.2015.7327396","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327396","url":null,"abstract":"A hybrid fiber-reinforced composite laminate with impact damage has been studied via terahertz imaging. Both of the impact-induced intra- and inter-laminar damages are successfully detected. Terahertz C-and B-scans in time domain show the damage evolution throughout the thickness. Intra- and inter-laminar damages at the same interface can be differentiated via polarization-resolved imagings, which can also be located with THz C- and B-scans in frequency domain.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"25 1 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80623516","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
Terahertz quantum cascade lasers — The past, present, and potential future 太赫兹量子级联激光器-过去，现在和潜在的未来
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327749
E. Linfield, A. Davies, P. Dean
{"title":"Terahertz quantum cascade lasers — The past, present, and potential future","authors":"E. Linfield, A. Davies, P. Dean","doi":"10.1109/IRMMW-THZ.2015.7327749","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327749","url":null,"abstract":"Since their first demonstration in 2002, the development of terahertz frequency quantum cascade lasers has been extremely rapid. We overview some of the advances that have taken place and which have made the terahertz quantum cascade laser such a ubiquitous source. We also consider potential future directions for terahertz quantum cascade laser technology, including its use in satellite-borne instrumentation for future Earth observation and planetary science missions.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"8 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90100458","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
Switchable terahertz metamaterials in resonance amplitude 共振振幅的可切换太赫兹超材料
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327596
Xiaoqiang Su, Quan Xu, C. Ouyang, Jiaguang Han, Weili Zhang
{"title":"Switchable terahertz metamaterials in resonance amplitude","authors":"Xiaoqiang Su, Quan Xu, C. Ouyang, Jiaguang Han, Weili Zhang","doi":"10.1109/IRMMW-THZ.2015.7327596","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327596","url":null,"abstract":"Through integrating materials susceptible to optical intensity and electric field, the self-resonance and coupling of individual meta-atoms have been tailored with different excitations, achieving the dynamical modulation of broadband plasmon induced transparency, adjacent coupling and Schottky effect in terahertz metamaterials.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"47 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73562008","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
Efficient terahertz-wave generation in mid-infrared quantum-cascade lasers with a common dual-upper-state active region 具有常见双上态有源区的中红外量子级联激光器中有效的太赫兹波产生
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327480
K. Fujita, A. Ito, M. Hitaka, T. Dougakiuchi, T. Edamura, M. Yamanishi, S. Jung, M. Belkin
{"title":"Efficient terahertz-wave generation in mid-infrared quantum-cascade lasers with a common dual-upper-state active region","authors":"K. Fujita, A. Ito, M. Hitaka, T. Dougakiuchi, T. Edamura, M. Yamanishi, S. Jung, M. Belkin","doi":"10.1109/IRMMW-THZ.2015.7327480","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327480","url":null,"abstract":"We report the performance of room temperature, single mode terahertz sources based on intracavity difference frequency generation in mid-infrared quantum cascade lasers with a common dual-upper-state (DAU) active region. As a result of designing of DAU active region for giant optical nonlinearity, the DAU devices with a dual-period buried distributed feedback grating operate in two single-mode mid-infrared wavelengths at 10.7 um and 9.7 um, and produce single-mode THz output at ~2.9 THz with a side mode suppression ratio of ~25 dB. A high mid-infrared to THz conversion efficiency of 0.8 mW/W is obtained at room temperature.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"30 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75592612","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
Terahertz-induced crystallisation of amorphous systems 太赫兹诱导的非晶系统结晶
2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) Pub Date : 2015-11-12 DOI: 10.1109/IRMMW-THZ.2015.7327556
J. Šibík, Nicholas Y. Tan, D. Arslanov, W. J. van der Zande, B. Redlich, J. Zeitler
{"title":"Terahertz-induced crystallisation of amorphous systems","authors":"J. Šibík, Nicholas Y. Tan, D. Arslanov, W. J. van der Zande, B. Redlich, J. Zeitler","doi":"10.1109/IRMMW-THZ.2015.7327556","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2015.7327556","url":null,"abstract":"We performed initial experimental studies on inducing crystallisation in amorphous organic compounds with intense terahertz radiation generated by the free electron laser FLARE of the FELIX Laboratory. By performing careful experiments we minimized the role of thermal heating and show that there is a different behaviour between THz-induced and thermal-induced crystallization.","PeriodicalId":6577,"journal":{"name":"2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz)","volume":"122 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2015-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74653535","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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