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International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430)最新文献

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Range demonstration of a reconfigurable fiber-optic time-steered 2D transmit beamformer 可重构光纤时导二维发射波束形成器的距离演示
International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430) Pub Date : 2000-09-11 DOI: 10.1109/MWP.2000.889773
D. Tulchinsky, P. J. Matthews
{"title":"Range demonstration of a reconfigurable fiber-optic time-steered 2D transmit beamformer","authors":"D. Tulchinsky, P. J. Matthews","doi":"10.1109/MWP.2000.889773","DOIUrl":"https://doi.org/10.1109/MWP.2000.889773","url":null,"abstract":"We present the first range demonstration of a 2-D, true-time delay, transmit beamformer based on the technique that produces 2-D steering by dynamically reassigning the output of a 1-D beamformer onto the input plane of a 2-D antenna array. Anechoic chamber testing of the reconfigurable beamformer, demonstrates squint-free steering to /spl plusmn/45/spl deg/ across the 6 to 18 GHz band in the azimuth and elevation directions and to (/spl plusmn/30/spl deg/ az, /spl plusmn/30/spl deg/ el) in the inter-cardinal /spl plusmn/45/spl deg/ directions.","PeriodicalId":354312,"journal":{"name":"International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128923555","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 frequency and broadband signal measurements by ultrafast opto-microwave intermixing and sampling 利用超快光微波混合和采样技术测量高频和宽带信号
International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430) Pub Date : 2000-09-01 DOI: 10.1109/MWP.2000.889824
W. Cao, M. Du, C.H. Lee
{"title":"High frequency and broadband signal measurements by ultrafast opto-microwave intermixing and sampling","authors":"W. Cao, M. Du, C.H. Lee","doi":"10.1109/MWP.2000.889824","DOIUrl":"https://doi.org/10.1109/MWP.2000.889824","url":null,"abstract":"Low frequency replication (600 kHz to 18 MHz) of a high frequency waveform (1 GHz to 30 GHz) was achieved using a photoconductive-based optical-microwave (OM) sampler. This OM sampler performs better than a 20 GHz digitizing sampling oscilloscope and is also superior to the standard pump and probe systems with orders of magnitude improvement in data acquisition rate.","PeriodicalId":354312,"journal":{"name":"International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430)","volume":"4 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113980577","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
Multiple quantum well asymmetric Fabry-Perot modulators for RF-over-fibre applications 光纤上射频应用的多量子阱非对称法布里-珀罗调制器
International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430) Pub Date : 1900-01-01 DOI: 10.1109/MWP.2000.889788
R. Killey, J. Song, C.P. Liu, A. Seeds, J. Chadha, M. Whitehead, P. Stavrinou, G. Parry, C. Button
{"title":"Multiple quantum well asymmetric Fabry-Perot modulators for RF-over-fibre applications","authors":"R. Killey, J. Song, C.P. Liu, A. Seeds, J. Chadha, M. Whitehead, P. Stavrinou, G. Parry, C. Button","doi":"10.1109/MWP.2000.889788","DOIUrl":"https://doi.org/10.1109/MWP.2000.889788","url":null,"abstract":"We describe the development of InGaAsP multi-quantum well asymmetric Fabry-Perot modulators (AFPM) and present measurements of devices operating at 3 GHz. Advantages of the AFPM include low drive voltage and loss, high linearity and simple fibre alignment.","PeriodicalId":354312,"journal":{"name":"International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430)","volume":"27 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121013987","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: 12
Photonic chip for steering a four element phased array antenna 控制四元相控阵天线的光子芯片
International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430) Pub Date : 1900-01-01 DOI: 10.1109/MWP.2000.889775
J. Stulemeijer, R. V. Dijk, F. E. V. Vliet, D. Maat, M. Smit
{"title":"Photonic chip for steering a four element phased array antenna","authors":"J. Stulemeijer, R. V. Dijk, F. E. V. Vliet, D. Maat, M. Smit","doi":"10.1109/MWP.2000.889775","DOIUrl":"https://doi.org/10.1109/MWP.2000.889775","url":null,"abstract":"A polarization independent photonic integrated circuit for phase steering of a four element phased array antenna has been fabricated on InP. The chip is extremely small and suitable for packaging.","PeriodicalId":354312,"journal":{"name":"International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133648356","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
Fast modulation performance of uncooled semiconductor lasers 非冷却半导体激光器的快速调制性能
International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430) Pub Date : 1900-01-01 DOI: 10.1109/MWP.2000.889797
R.V. Peaty, A. Massara, M. Webster, K. Williams, I. White
{"title":"Fast modulation performance of uncooled semiconductor lasers","authors":"R.V. Peaty, A. Massara, M. Webster, K. Williams, I. White","doi":"10.1109/MWP.2000.889797","DOIUrl":"https://doi.org/10.1109/MWP.2000.889797","url":null,"abstract":"This paper reviews the current state of the art of uncooled, high bandwidth lasers. It explains why high bandwidth is difficult at high temperatures and presents some possible routes to improve on current technology.","PeriodicalId":354312,"journal":{"name":"International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116751014","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
Millimetre-wave radio-over-fibre transmission using an optical injection phase-lock loop source 使用光注入锁相环源的毫米波光纤传输
International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430) Pub Date : 1900-01-01 DOI: 10.1109/MWP.2000.889804
L. Johansson, A. Seeds
{"title":"Millimetre-wave radio-over-fibre transmission using an optical injection phase-lock loop source","authors":"L. Johansson, A. Seeds","doi":"10.1109/MWP.2000.889804","DOIUrl":"https://doi.org/10.1109/MWP.2000.889804","url":null,"abstract":"A broadband millimetre-wave radio-over-fibre demonstration experiment is presented, using an optical injection phase-lock loop as the optical source. 140 Mbit/s ASK data is transmitted with a 36 GHz carrier using fibre-pigtailed commercial off-the-shelf components.","PeriodicalId":354312,"journal":{"name":"International Topical Meeting on Microwave Photonics MWP 2000 (Cat. No.00EX430)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131190788","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: 12
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