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2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)最新文献

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Passively Q-switched Nd:YVO4 laser by MoS2 with 164ns pulse width MoS2被动调q Nd:YVO4激光器，脉冲宽度为164ns
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588310
Feng Zhang, Xin Li, Haikun Zhang, Tao Chen, Cheng Zhou
{"title":"Passively Q-switched Nd:YVO4 laser by MoS2 with 164ns pulse width","authors":"Feng Zhang, Xin Li, Haikun Zhang, Tao Chen, Cheng Zhou","doi":"10.1109/IMWS-AMP.2016.7588310","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588310","url":null,"abstract":"A saturable absorber mirror (SAM) based on few-layer molybdenum disulfide (MoS2) nanosheets is experimentally fabricated and used in the passively Q-switched Nd:YVO4 laser at 1064nm to achieve nanosecond pulse. While absorbed pump power is increased to 1.8W, the minimum pulse duration of 164ns is obtained with maximum average output power of 218.4mW and slope efficiency of 12.6%. The highest single pulse energy and repetition rate of laser are 174.7nJ and 1.25MHz, respectively. Due to better optical performance, it is further deduced that the MoS2 should have a scientific and technological applied potential, especially in optical modulation.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117160536","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: 3
A highly-applicable supply modulator with a highly-linear envelope detector for WCDMA envelope-tracking applications 一种高度适用的电源调制器，具有高度线性包络检测器，用于WCDMA包络跟踪应用
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588463
Yitong Xiong, Chenxi Zhao, K. Kang
{"title":"A highly-applicable supply modulator with a highly-linear envelope detector for WCDMA envelope-tracking applications","authors":"Yitong Xiong, Chenxi Zhao, K. Kang","doi":"10.1109/IMWS-AMP.2016.7588463","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588463","url":null,"abstract":"This Paper presents a highly-applicable supply modulator (SM) for WCDMA envelope tracking power amplifier (ET PA) system. An on-chip highly-linear envelope detector is employed so that no extra envelope signal from baseband is needed. The proposed SM chip reduces the complexity of ET technique application. It can be directly employed in transmitters without using other programming or elements. It is shown that the proposed SM linearly tracks WCDMA single carrier envelope signal and achieves an efficiency of 75%. The supply modulator was fabricated in a standard 180-nm CMOS technology. The die area is 0.7 by 0.7 mm2, and it consumes 18.2-mW of power at 3.3-V power supply.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115838058","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
Broadband THz imaging of composite materials 复合材料的宽带太赫兹成像
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588333
C. Viegas, B. Alderman, F. A. Muhammad, P. Huggard, C. Duff, R. Sloan, J. Powell
{"title":"Broadband THz imaging of composite materials","authors":"C. Viegas, B. Alderman, F. A. Muhammad, P. Huggard, C. Duff, R. Sloan, J. Powell","doi":"10.1109/IMWS-AMP.2016.7588333","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588333","url":null,"abstract":"Imaging composite materials is a challenging task due to the continual improvement in material quality and inspection demands. This paper describes a novel broadband THz noise mapping technique that performs active imaging of composite materials. The transmission measurement consists of an amplified photonic noise source to illuminate the sample and a W-band Schottky diode based radiometer to obtain the intensity profile as a function of scan position. The experimental set-up and preliminary results are presented.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126393322","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
A tunable THz dipole antenna based on graphene 基于石墨烯的可调谐太赫兹偶极子天线
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588365
Xijia Qin, Juan Chen, Chengpeng Xie, Ning Xu, Jiepei Shi
{"title":"A tunable THz dipole antenna based on graphene","authors":"Xijia Qin, Juan Chen, Chengpeng Xie, Ning Xu, Jiepei Shi","doi":"10.1109/IMWS-AMP.2016.7588365","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588365","url":null,"abstract":"Recently graphene has attracted tremendous attention for its excellent properties. Numerous novel graphene-based devices have come out, showing great potential of graphene for applications at the terahertz band. In this paper, by placing monolayer graphene deposited on top of a SiO2/Si substrate, a tunable graphene-based dipole antenna owing to the voltage-controllable conductivity of graphene is obtained. The resonance frequency of the proposed antenna is blue-shift with increasing chemical potential. Furthermore, the radiation gain of the antenna can increase from 3.7dBi to 5.5dBi by adjusting the chemical potential. These simulated results will provide approaches using graphene in reconfigurable antennas.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124536154","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: 17
2-bit switchable active frequency selective surface 2位可切换有源频率选择表面
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588393
Kang-Wei Fan, Hao Gu, Chenchen Yang
{"title":"2-bit switchable active frequency selective surface","authors":"Kang-Wei Fan, Hao Gu, Chenchen Yang","doi":"10.1109/IMWS-AMP.2016.7588393","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588393","url":null,"abstract":"An active frequency selective surface (AFSS) with switch function is proposed in this paper. Double coupled metallic meandered structures on one layer substrate loaded PIN diodes and biasing lines are designed carefully to realize four switchable states (2-bit): both TE polarization & TM polarization band-pass filter for code 00; TE band-pass filter for code 01; TM band-pass filter for code 10; both TE & TM reject for code 11. The equivalent circuit model (ECM) is given to understand better in physical view and biasing network topology is explained how to realize multi-state switching through biasing voltage control. The transmission coefficient of 2-bit states are shown and the angle-stability is analyzed through the simulation results.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124621516","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
Electrothermal simulation of Resistive Random Access Memory(RRAM) array using finite difference method 电阻式随机存取存储器(RRAM)阵列的有限差分电热模拟
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588366
Yandong Luo, Wenchao Chen, M. Cheng, Kai Kang, W. Yin
{"title":"Electrothermal simulation of Resistive Random Access Memory(RRAM) array using finite difference method","authors":"Yandong Luo, Wenchao Chen, M. Cheng, Kai Kang, W. Yin","doi":"10.1109/IMWS-AMP.2016.7588366","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588366","url":null,"abstract":"Memory is very important in the present era of Internet of Thing (IoT) and Big Data, while Resistive Random Access Memory (RRAM) is a key member in the family of non-volatile memory. However, in the development of high density RRAM memory array, self-heat effect (SHE) as well as thermal crosstalk must be understood and controlled during its operation. In this paper, simulation of electrothermal effects in both single RRAM cell and 3×3×3 array are performed using our in-house developed algorithm, which is validated in comparison with that of commercial software COMSOL. Further on, hybrid effects of different geometrical and material parameters on the memory performance are characterized and addressed.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"139 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130909136","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
Metamaterials based terahertz absorber and modulator 基于超材料的太赫兹吸收器和调制器
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588372
Q. Wen, Zhao Liu, Liang Yin, Zhi Chen, Qinghui Yang, Huai-wu Zhang
{"title":"Metamaterials based terahertz absorber and modulator","authors":"Q. Wen, Zhao Liu, Liang Yin, Zhi Chen, Qinghui Yang, Huai-wu Zhang","doi":"10.1109/IMWS-AMP.2016.7588372","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588372","url":null,"abstract":"In recent years, a great deal of effort has been made to create terahertz (THz) devices with metamaterials (MM). Among these devices, perfect absorbers and modulators are highly desired in THz system such as communication, remote sensing, imaging, and astronomy. MM absorbers have a variety of potential applications including thermal emitters, detector, stealth technology, phase imaging. High-speed modulators, which allow actively control the spatial transmission (reflection) of an incident THz wave, is the key components of an advanced communication system. In this presentation, we firstly introduce the basic structure and work principle of MM devices, and then we report our recent progress in the design, fabrication and and measurement of the quite a few new MM devices. And as a close to this presentation, we demonstrate the application of our devices in Terahertz communication system.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"197 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122525666","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
A single-fed miniaturized circularly polarized implantable antenna for ISM band biomedical application 一种用于ISM波段生物医学应用的单馈微型圆极化植入式天线
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588370
Zhi-Jie Yang, S. Xiao
{"title":"A single-fed miniaturized circularly polarized implantable antenna for ISM band biomedical application","authors":"Zhi-Jie Yang, S. Xiao","doi":"10.1109/IMWS-AMP.2016.7588370","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588370","url":null,"abstract":"A single-fed, miniaturized, circularly polarized implantable antenna is proposed for 2.4 GHz to 2.48 GHz Industrial, Scientific, and Medical band for biomedical applications. The miniaturization and circularly polarization are realized by using capacitive loads and mender lines on the radiator. Thus, the suggested one, which has a compact size of 12 mm×12 mm×1.27 mm and wideband circularly polarized property is obtained. The simulation impedance, axial radio, and radiation pattern are studied in a cubic skin phantom. The results show that a bandwidth of 13.7% can be realized with simulated S11 below -10 dB, and 12.7% with simulated axial radio below 3 dB.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124102305","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
Reflective multi-functional polarization converter based on anisotropic metasurfaces 基于各向异性超表面的反射式多功能偏振变换器
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588337
Yongjiu Li, Long Li
{"title":"Reflective multi-functional polarization converter based on anisotropic metasurfaces","authors":"Yongjiu Li, Long Li","doi":"10.1109/IMWS-AMP.2016.7588337","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588337","url":null,"abstract":"In this paper, a new multi-functional reflective polarization converter (RPC) is proposed based on an anisotropic metasurface. The metasurface is composed of the periodic array of square patches with truncated corners and a solid ground plane. The RPC is designed based on a single-layer anisotropic metasurface. The reflected magnitude and phase of the anisotropic metasurface are different in two orthogonal directions. Therefore, The incident linear polarization can be converted to the orthogonal linear polarization, right- or left-hand circular polarizations reflected wave in the different frequency bands. The simulated results agree well with theoretical design.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"27 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132900385","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
A 110–150 GHz SIW-rectangular waveguide transition for terahertz applications 用于太赫兹应用的110-150 GHz siw -矩形波导转换
2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2016-07-20 DOI: 10.1109/IMWS-AMP.2016.7588309
Jia Wang, Z. Hao, Kuikui Fan
{"title":"A 110–150 GHz SIW-rectangular waveguide transition for terahertz applications","authors":"Jia Wang, Z. Hao, Kuikui Fan","doi":"10.1109/IMWS-AMP.2016.7588309","DOIUrl":"https://doi.org/10.1109/IMWS-AMP.2016.7588309","url":null,"abstract":"In this paper, a D-band fin-line SIW-WR6 waveguide transition is investigated by using the low-cost printed-circuit-board (PCB) technology. Full-wave simulations have been used to synthesize and optimize the proposed transition. In order to evaluate effectively the loss of the transition, three different lengths of transitions are designed and measured. Measurement results show that from 110 GHz to 150 GHz, the average insertion loss of the proposed terahertz transition is around 0.54 dB, and its return loss is better than 10 dB. This work demonstrates that the proposed SIW-WR6 waveguide transition can be used for developing future planar terahertz components by using low cost PCB process.","PeriodicalId":132755,"journal":{"name":"2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"211 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132904711","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: 6
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