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2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)最新文献

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λ-Ti3O5with Temperature and Laser Induced Phase Transition Characteristics for Active Tuning of Terahertz Wave Transmission 基于温度和激光诱导相变特性的λ- ti3o5在太赫兹波传输中的主动调谐
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510199
Qiwu Shi, Wanxia Huang
{"title":"λ-Ti3O5with Temperature and Laser Induced Phase Transition Characteristics for Active Tuning of Terahertz Wave Transmission","authors":"Qiwu Shi, Wanxia Huang","doi":"10.1109/IRMMW-THZ.2018.8510199","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510199","url":null,"abstract":"A- Ti<inf>3</inf>O<inf>5</inf>exhibits intriguing phase transition between λ, ß and <tex>$a$</tex> phase, which has great application potential in tunable optoelectronic devices. However, the fabrication of λ- Ti<inf>3</inf>O<inf>5</inf>still presents great challenge and its application in THz range has been rarely reported so far. Our work developed two strategies to fabricate λ-Ti<inf>3</inf>O<inf>5</inf>and investigated its phase transition properties in THz range. It indicated that the λ-Ti<inf>3</inf>O<inf>5</inf>exhibited temperature induced semimetal-metal phase transition and laser induced semimetal-semiconductor phase transition characteristics, which can be used in dynamic controlling of THz wave transmission.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"320 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75228281","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
Two-Stage Energy Recovery System for THz band Double-Beam Gyrotron 太赫兹波段双束回旋管两级能量回收系统
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510098
V. Manuilov, V. Zaslavsky, I. Zotova, T. Idehara, M. Glyavin
{"title":"Two-Stage Energy Recovery System for THz band Double-Beam Gyrotron","authors":"V. Manuilov, V. Zaslavsky, I. Zotova, T. Idehara, M. Glyavin","doi":"10.1109/IRMMW-THZ.2018.8510098","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510098","url":null,"abstract":"In this paper, the theoretical consideration of possibilities of two-stage energy recovery systems in double beam gyrotron is presented. Specific features of energy spectra for two beams after the interaction with RF field are discussed. As an example the double beam 0.79 THz CW gyrotron is considered. The mentioned tube is planned to be used as a powerful radiation source for a high-field DNP-NMR spectroscopy.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"42 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75801109","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 wave Parametric Amplifier with an Amplification Factor of Two Billion 放大系数为20亿的太赫兹波参量放大器
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510347
Yunzhuo Guo, K. Murate, Kazuki Maeda, K. Kawase
{"title":"Terahertz wave Parametric Amplifier with an Amplification Factor of Two Billion","authors":"Yunzhuo Guo, K. Murate, Kazuki Maeda, K. Kawase","doi":"10.1109/IRMMW-THZ.2018.8510347","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510347","url":null,"abstract":"In this research, we demonstrated a high-gain terahertz(THz) parametric amplifier for an extremely weak THz-wave of low frequency (963 GHz). The amplification factor reached more than 94 dB by dividing the amplifier into two parts: the pre-amplifier and the main-amplifier.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"21 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75805644","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
Enhancing the THz emission through surface patterning in Photo-Conductive Antenna 利用光导天线表面图案增强太赫兹辐射
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510396
G. Rana, Abhishek Gupta, A. Bhattacharya, Ravikumar Jain, S. Duttagupta, S. Prabhu
{"title":"Enhancing the THz emission through surface patterning in Photo-Conductive Antenna","authors":"G. Rana, Abhishek Gupta, A. Bhattacharya, Ravikumar Jain, S. Duttagupta, S. Prabhu","doi":"10.1109/IRMMW-THZ.2018.8510396","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510396","url":null,"abstract":"In this article we have investigated the effect of surface nano-patterns in THz Photo-Conductive Antennae (PCA). The surface patterns help to localize the incident IR excitation thus reduces the reflection. It also reduces carrier recombination time by introducing defect states in current path. The combined effect enhances the THz emission from the device up to 220% when the electrical bias field is parallel to the optical pump polarization.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"48 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73206468","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
Coherent control of femtosecond spin current investigated by polarization dependent terahertz emission spectroscopy in ferromagnetic heterostructures 用偏振相关太赫兹发射光谱研究铁磁异质结构中飞秒自旋电流的相干控制
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8509902
Yang Gao, Deyin Kong, Bo Wang, Xiaojun Wu, T. Nie, Li Wang, C. Ruan, Weisheng Zhao, J. Miao
{"title":"Coherent control of femtosecond spin current investigated by polarization dependent terahertz emission spectroscopy in ferromagnetic heterostructures","authors":"Yang Gao, Deyin Kong, Bo Wang, Xiaojun Wu, T. Nie, Li Wang, C. Ruan, Weisheng Zhao, J. Miao","doi":"10.1109/IRMMW-THZ.2018.8509902","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8509902","url":null,"abstract":"Approaches towards highly-efficient generation of controllable ellipitical terahertz pulses in ferromagnetic nano-heterostructures are demonstrated. The mechanism for the coherent control of femtosecond spin current in ferromagnetic heterostructures are discussed.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"17 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73331960","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
Opportunities and Challenges for EIK's in DNP NMR Applications EIK在DNP NMR应用中的机遇和挑战
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510328
M. Rosay, Ivan Scrgeyev, L. Tometich, Christopher Hickey, A. Roitman, D. Yake, D. Berry
{"title":"Opportunities and Challenges for EIK's in DNP NMR Applications","authors":"M. Rosay, Ivan Scrgeyev, L. Tometich, Christopher Hickey, A. Roitman, D. Yake, D. Berry","doi":"10.1109/IRMMW-THZ.2018.8510328","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510328","url":null,"abstract":"Modern Dynamic Nuclear Polarization (DNP) experiments often utilize gyrotron sources for irradiation of electron spins at 140–593 GHz. The total cost of ownership, size, and complexity of gyrotrons, however, limits wider adoption. The introduction of lower-cost and more compact sources can have a significant impact on the DNP community. This contribution describes the development of a 263 GHz EIK, design of transmission line for optimal irradiation of the DNP NMR sample, and detailed performance characterization for DNP experiments.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"24 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75338389","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
Broadband On-Chip Thz Frequency Combs 宽带片上太赫兹频率梳
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510358
G. Scalari, A. Forrer, T. Olariu, D. Stark, M. Beck, J. Faist
{"title":"Broadband On-Chip Thz Frequency Combs","authors":"G. Scalari, A. Forrer, T. Olariu, D. Stark, M. Beck, J. Faist","doi":"10.1109/IRMMW-THZ.2018.8510358","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510358","url":null,"abstract":"Recently, on-chip quantum-cascade-Iaser-based frequency combs are gaining increasing attention both in the Mid-IR and in the THz spectral regions. THz devices offer the possibility of filling the gap of comb sources in a spectral region were no table top comb is available. We will report on recent progresses including broadband (>1 THz) comb generation, dual color comb source operating as combs and spaced by exactly one octave in frequency and new homogenous laser design with ultra broad bandwidth.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"139 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73951380","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
Influence of Two-Photon Absorption Anisotropy on Terahertz Generation in < 111 > Zinc Blende Crystals 双光子吸收各向异性对< 111 >闪锌矿晶体中太赫兹产生的影响
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510405
F. Sanjuan, G. Gaborit, J. Coutaz
{"title":"Influence of Two-Photon Absorption Anisotropy on Terahertz Generation in < 111 > Zinc Blende Crystals","authors":"F. Sanjuan, G. Gaborit, J. Coutaz","doi":"10.1109/IRMMW-THZ.2018.8510405","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510405","url":null,"abstract":"We report on an unexpected anisotropy of THz generation by optical rectification in <111> ZnTe crystal, which is due to the anisotropy of THz absorption by free carriers excited through two-photon absorption of the pump laser beam.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"AES-8 4","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72603150","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
Versatile Photonic Integrated Optical Frequency Combs Generators for Millimeter-Wave Generation 毫米波产生的多功能光子集成光频率梳发生器
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8509846
M. Lo, Alberto Zarzuelo, R. Guzman, H. Lamela, G. Carpintero
{"title":"Versatile Photonic Integrated Optical Frequency Combs Generators for Millimeter-Wave Generation","authors":"M. Lo, Alberto Zarzuelo, R. Guzman, H. Lamela, G. Carpintero","doi":"10.1109/IRMMW-THZ.2018.8509846","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8509846","url":null,"abstract":"We present two different types of integrated optical frequency comb structures, based on mode-locked lasers, fabricated on an indium phosphide generic technology platform. The structures present the particular feature that do not require cleaved facets, enabled by on-chip mirrors. The presented comb structures feature wide spectral bandwidth and mode spacing selectability.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"64 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74416397","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
Bi-relaxor behavior and Fe2+fine structure in single crystalline Ba0.3Pb0.7Fe12O19M-type hexaferrite 单晶ba0.3 pb0.7 fe12o19m型六铁体的双弛豫行为和Fe2+精细结构
2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI: 10.1109/IRMMW-THZ.2018.8510000
L. Alyabyeva, V. Torgashev, E. Zhukova, D. Vinnik, A. Prokhorov, S. Gudkova, David Rivas Góngora, T. Ivek, S. Tomić, N. Novosel, D. Starešinić, D. Dominko, Z. Jagličić, M. Dressel, B. Gorshunov
{"title":"Bi-relaxor behavior and Fe2+fine structure in single crystalline Ba0.3Pb0.7Fe12O19M-type hexaferrite","authors":"L. Alyabyeva, V. Torgashev, E. Zhukova, D. Vinnik, A. Prokhorov, S. Gudkova, David Rivas Góngora, T. Ivek, S. Tomić, N. Novosel, D. Starešinić, D. Dominko, Z. Jagličić, M. Dressel, B. Gorshunov","doi":"10.1109/IRMMW-THZ.2018.8510000","DOIUrl":"https://doi.org/10.1109/IRMMW-THZ.2018.8510000","url":null,"abstract":"Single crystalline lead-substituted barium hexaferrite compounds are studied in a broad spectral range, 102 Hz to 2*1014 Hz. We observe excitations of different nature including dielectric and magnetic relaxations coexisting within the same frequency and temperature ranges and electronic transitions between the fine-structure components of the split Fe2+ ground state level.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"60 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78667134","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
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