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Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)最新文献

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Experimental demonstration and numerical simulation of an optical recirculating loop operating at 10 gb/s 10gb /s光循环回路的实验演示与数值模拟
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-17 DOI: 10.1109/IMOC.2003.1244865
S. Baruh, M. de Barros, M. Rocha, M. Horiuchi, J. Rosolem, R. Arradi, S. Rossi, A. Paradisi, M. Giraldi, M.A.G. Martinez
{"title":"Experimental demonstration and numerical simulation of an optical recirculating loop operating at 10 gb/s","authors":"S. Baruh, M. de Barros, M. Rocha, M. Horiuchi, J. Rosolem, R. Arradi, S. Rossi, A. Paradisi, M. Giraldi, M.A.G. Martinez","doi":"10.1109/IMOC.2003.1244865","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1244865","url":null,"abstract":"We demonstrate an optical recirculating loop as a tool for performance evaluation of cascades of effects or elements in an optical communication system. We describe the critical issues to operate the recirculating loop properly and we present experimental results on the cascading of a dispersive fiber link and an optical amplifier. Additionally, we conduct a numerical simulation of the recirculating loop experimental conditions. Simulation and experimental results are in good agreement.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116783603","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: 9
All optical bit parallel transmission systems 全光位并行传输系统
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-17 DOI: 10.1109/IMOC.2003.1244887
A. Togneri, M.E. Vieira Segatto
{"title":"All optical bit parallel transmission systems","authors":"A. Togneri, M.E. Vieira Segatto","doi":"10.1109/IMOC.2003.1244887","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1244887","url":null,"abstract":"All optical bit parallel transmission systems are discussed and two different schemes for bit skew compensation are presented, based on dispersion managed fibers (DMF) and a fiber grating based scheme. An experimental system with two wavelengths is employed in order to measure the bit skew in a single mode fiber. Results show that DMF can virtually cancel the differential group delay as different wavelengths travel in the same fiber. A 10 Gword/s signal over 40-km of DMF is proposed and an aggregate bit-rate /spl times/ distance product of 160 Gbit/s /spl times/ 40-km is obtained.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129869891","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
Design of an automatic impedance matching system for industrial continuous microwave ovens. Part II: experimental results 工业连续式微波炉阻抗自动匹配系统的设计。第二部分:实验结果
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-10 DOI: 10.1109/IMOC.2003.1242681
V. Parro, F. Pait
{"title":"Design of an automatic impedance matching system for industrial continuous microwave ovens. Part II: experimental results","authors":"V. Parro, F. Pait","doi":"10.1109/IMOC.2003.1242681","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1242681","url":null,"abstract":"The algorithm proposed in part I (see ibid., p.791-5) was carried out in an experimental test. This test is elaborated in order to make a fine tuning of the algorithm parameters and analyze the results. An artificial load was used, composed of a matched load with a mismatched device. The mismatch was obtained by varying the length of four screws positioned in a rectangular waveguide.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115656290","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: 9
Equalizing the fiber attenuation in L and L+ band using Raman amplification for DWDM applications 均衡光纤衰减在L和L+波段使用拉曼放大器的DWDM应用
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-10 DOI: 10.1109/IMOC.2003.1242636
J. Rosolem, M. de Barros, A. Juriollo, M. Rocha, M.R. Horuchi
{"title":"Equalizing the fiber attenuation in L and L+ band using Raman amplification for DWDM applications","authors":"J. Rosolem, M. de Barros, A. Juriollo, M. Rocha, M.R. Horuchi","doi":"10.1109/IMOC.2003.1242636","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1242636","url":null,"abstract":"We have demonstrated a simple way to equalize fiber attenuation in L and L/sup +/ bands using Raman amplification. We have obtained attenuation equalization better than 0.25 dB over the L and L+ bands using DS Fiber.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117225475","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
On the data combining technique for multiple VLBI networks to increase image fidelity 多VLBI网络数据合并技术提高图像保真度
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-10 DOI: 10.1109/IMOC.2003.1242677
E. Ludke
{"title":"On the data combining technique for multiple VLBI networks to increase image fidelity","authors":"E. Ludke","doi":"10.1109/IMOC.2003.1242677","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1242677","url":null,"abstract":"The attainment of high-fidelity images obtained with Very Long Baseline Techniques and earth-rotation synthesis is the main observational quest to study the physical properties of cosmic radio sources for various astrophysical and cosmological purposes. In this paper, I present a method to combine individual array observations in radio continuum mode at 4995 GHz which is successful when obtaining enhanced images of radio sources. The data combining techniques explained here allow to produce synthesis array images which show details which cannot be obtained by standard data processing and observational techniques with individual arrays.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127226916","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
Improved optical sensor for high voltage measurement using white light interferometry 利用白光干涉测量法改进高压测量光学传感器
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-10 DOI: 10.1109/IMOC.2003.1242648
J.C. Santos, K. Hidaka, A. Cortes, L.P.C. da Silva
{"title":"Improved optical sensor for high voltage measurement using white light interferometry","authors":"J.C. Santos, K. Hidaka, A. Cortes, L.P.C. da Silva","doi":"10.1109/IMOC.2003.1242648","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1242648","url":null,"abstract":"A new approach to perform measurement of potentials in high voltage levels using electrooptical Pockets sensors is presented. This paper describes an application of the White Light Interferometry (WLI) technique to a high voltage optical fiber measurement system. Making use of a characteristic of WLI systems, in which the information is encoded in the spectrum of the light, a compensation method is here proposed allowing the measurement to be independent of the optical power transmitted by the optical fiber link. A prototype was built and tested under excitation of a.c. voltages up to 60 kV in 60 Hz showing good response and demonstrating the feasibility of this method.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122862364","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: 9
Algorithms for FWM-aware routing and wavelength assignment fwm感知路由和波长分配算法
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-10 DOI: 10.1109/IMOC.2003.1242665
I. Fonseca, R. C. Almeida, M. Ribeiro, H. Waldman
{"title":"Algorithms for FWM-aware routing and wavelength assignment","authors":"I. Fonseca, R. C. Almeida, M. Ribeiro, H. Waldman","doi":"10.1109/IMOC.2003.1242665","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1242665","url":null,"abstract":"This work presents a study on the impact of the four wave mixing in dynamic optical networks. We have proposed two algorithms for routing and wavelength assignment based on the limitations imposed by four wave mixing crosstalk. When the efficiency of the effect is not very high, the algorithms present a good performance in order to minimize the four wave mixing. The results suggest that, under certain conditions, there is no loss in basing the allocation of long routes only on the amount of FWM contamination of the new path, and not on the other active paths.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126994306","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: 20
Ethernet over photonic packets: convergence model and performance assessment 光子分组上的以太网:收敛模型和性能评估
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-10 DOI: 10.1109/IMOC.2003.1242707
Moises R. N. Ribeiro, Mike J. O'Mahony
{"title":"Ethernet over photonic packets: convergence model and performance assessment","authors":"Moises R. N. Ribeiro, Mike J. O'Mahony","doi":"10.1109/IMOC.2003.1242707","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1242707","url":null,"abstract":"An edge-node traffic adaptation unit aimed at transporting Ethernet traffic over photonic networks is proposed. Performance assessment is performed through a novel semi-analytical procedure using real traffic traces bearing self-similarity features This method is able to take into account asynchronies between LANs and edge nodes. Results compare the number of LAN-to-LAN interconnections allowed by transparent photonic packet switching compared to conventional circuit switching Statistical multiplexing can significantly improve the number of VPNs despite overheads imposed by limitations of current photonic technology and traffic self- similarity. Design guidelines arising from the present results are briefly discussed.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121492107","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
CMOS monolithic wideband image rejection mixer with polyphase filters 带多相滤波器的CMOS单片宽带图像抑制混频器
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-10 DOI: 10.1109/IMOC.2003.1242684
F. Azevedo, M. J. Rosário, J. C. Freire
{"title":"CMOS monolithic wideband image rejection mixer with polyphase filters","authors":"F. Azevedo, M. J. Rosário, J. C. Freire","doi":"10.1109/IMOC.2003.1242684","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1242684","url":null,"abstract":"The image rejection ratio in double balanced mixers is strongly dependent on the balance between its branches. The influence of mismatches is analysed and conclusions on the key aspects of the design to increase the image rejection are discussed. A practical circuit implementation is described: a 1.9 GHz downconversion image rejection mixer is fabricated in 0.6 /spl mu/m CMOS standard technology. Measurements on the prototype showed a 34 dB image rejection and an overall conversion gain of 16 dB.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134445017","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
Compensation of temperature-induced fluctuation in fiber-Bragg-grating vibration sensor by using feedback control of source wavelength 利用源波长反馈控制补偿光纤光栅振动传感器的温度波动
Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678) Pub Date : 2003-11-10 DOI: 10.1109/IMOC.2003.1242699
N. Takahashi, W. Thongnum, T. Ogawa, S. Tanaka
{"title":"Compensation of temperature-induced fluctuation in fiber-Bragg-grating vibration sensor by using feedback control of source wavelength","authors":"N. Takahashi, W. Thongnum, T. Ogawa, S. Tanaka","doi":"10.1109/IMOC.2003.1242699","DOIUrl":"https://doi.org/10.1109/IMOC.2003.1242699","url":null,"abstract":"The operation of a fiber Bragg grating (FBG) vibration sensor, which is based on the intensity-modulation method, is stabilized by compensating the fluctuation of the sensitivity induced by the environmental temperature change. The compensation is realized by controlling the oscillation wavelength of the source laser with a feedback circuit so that the operation point on the FBG transmittance spectrum curve should remain the same regardless of the temperature change. The variation of the sensitivity is reduced to as small as 1 dB over the temperature range from -15 to 50 degrees Celsius, although it is more than 60 dB without the stabilization.","PeriodicalId":156662,"journal":{"name":"Proceedings of the 2003 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference - IMOC 2003. (Cat. No.03TH8678)","volume":"273 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124420494","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: 7
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