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2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference最新文献

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Optical techniques for microwave frequency stabilization : Resonant versus delay line approaches and related modelling problems 微波稳定频率的光学技术:谐振与延迟线方法及相关的建模问题
2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-10-01 DOI: 10.1109/MWP.2008.4666657
P. Merrer, H. Brahimi, O. Llopis
{"title":"Optical techniques for microwave frequency stabilization : Resonant versus delay line approaches and related modelling problems","authors":"P. Merrer, H. Brahimi, O. Llopis","doi":"10.1109/MWP.2008.4666657","DOIUrl":"https://doi.org/10.1109/MWP.2008.4666657","url":null,"abstract":"Optical techniques for microwave oscillators stabilization or microwave sources phase noise measurement are discussed. The advantage in terms of Q factor of optical resonant devices goes with increased difficulties in the system stabilization. System modelling is also complex, because of the interaction of noise sources around three different frequencies : optical, microwave and baseband.","PeriodicalId":115448,"journal":{"name":"2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125683702","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: 15
Measurement of polarization dependent loss, polarization mode dispersion and group delay of optical components using swept optical single sideband modulated signals 利用扫描光单边带调制信号测量光学元件的偏振相关损耗、偏振模色散和群延迟
2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-09-29 DOI: 10.1109/MWP.2008.4666700
M. Sagues, Miguel Pérez, A. Loayssa
{"title":"Measurement of polarization dependent loss, polarization mode dispersion and group delay of optical components using swept optical single sideband modulated signals","authors":"M. Sagues, Miguel Pérez, A. Loayssa","doi":"10.1109/MWP.2008.4666700","DOIUrl":"https://doi.org/10.1109/MWP.2008.4666700","url":null,"abstract":"We introduce a novel method for the measurement of wavelength-dependent polarization-averaged group delay, polarization dependent loss and polarization mode dispersion of optical components using swept optical single sideband modulated signals. Measurements of a phase-shifted fiber Bragg grating, a chirped fiber Bragg grating and of Brillouin spectra are used to demonstrate the system.","PeriodicalId":115448,"journal":{"name":"2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120818228","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: 25
Investigating the performance of star-tree and ring-bus fibre-radio networks incorporated with cascaded WDM optical interfaces 研究了级联WDM光接口的星形树和环总线光纤无线网络的性能
2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-09-01 DOI: 10.1109/MWP.2008.4666677
M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, R. Waterhouse
{"title":"Investigating the performance of star-tree and ring-bus fibre-radio networks incorporated with cascaded WDM optical interfaces","authors":"M. Bakaul, A. Nirmalathas, C. Lim, D. Novak, R. Waterhouse","doi":"10.1109/MWP.2008.4666677","DOIUrl":"https://doi.org/10.1109/MWP.2008.4666677","url":null,"abstract":"The performance of wavelength-division-multiplexed (WDM) optical interfaces that support 37.5 GHz-band 25 GHz-separated wavelength-interleaved dense-WDM (WI-DWDM) signals is investigated for networks in both star-tree and ring/bus architectures. The interface offers consolidated base station (BS) architecture by enabling a wavelength reuse technique with transparent optical-add-drop-multiplexing (OADM) to the BS. The results show that the proposed interface can be a suitable candidate in future WI-DWDM mm-wave fibre-radio networks, configured in either star-tree or ring/bus architecture.","PeriodicalId":115448,"journal":{"name":"2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127483135","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
Impact of pilot tone-assisted equalization in Wimedia-defined OFDM-UWB signals transmission in FTTH networks 导频辅助均衡对光纤到户网络中Wimedia-defined OFDM-UWB信号传输的影响
2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-09-01 DOI: 10.1109/MWP.2008.4666675
M. Morant, R. Llorente, J. Perez, M. Beltrán, J. Marti, T. Alves, A. Cartaxo
{"title":"Impact of pilot tone-assisted equalization in Wimedia-defined OFDM-UWB signals transmission in FTTH networks","authors":"M. Morant, R. Llorente, J. Perez, M. Beltrán, J. Marti, T. Alves, A. Cartaxo","doi":"10.1109/MWP.2008.4666675","DOIUrl":"https://doi.org/10.1109/MWP.2008.4666675","url":null,"abstract":"The impact of the number of pilot tones in Wimedia-defined orthogonal frequency-division multiplexed (OFDM) ultra wideband signal (UWB) transmission over fiber-to-home (FTTH) networks is experimentally analyzed. This paper analyses the expected reach and performance of multichannel OFDM-UWB transmission in adequate FTTH distances. Amplified section and standard single-mode fiber are considered. The experimental results indicate a strong dependence of the FTTH reach/performance on the number of pilot tones used to estimate the equalizer transfer function. The results reveal the number of pilot tones as an important parameter to be considered in UWB radio signals transmission over optical systems.","PeriodicalId":115448,"journal":{"name":"2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference","volume":"2015 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128783798","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 new statistical model of scintillation in RoFSO link and performance evaluation of WLAN system 一种新的RoFSO链路闪烁统计模型及WLAN系统性能评估
2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-09-01 DOI: 10.1109/MWP.2008.4666669
Kyung-hwan Kim, H. Onodera, T. Higashino, K. Tsukamoto, S. Komaki, Y. Aburakawa, T. Nakamura, K. Takahashi, T. Suzuki, K. Kazaura, M. S. Alam, K. Ohmae, M. Matsumoto, K. Wakamori
{"title":"A new statistical model of scintillation in RoFSO link and performance evaluation of WLAN system","authors":"Kyung-hwan Kim, H. Onodera, T. Higashino, K. Tsukamoto, S. Komaki, Y. Aburakawa, T. Nakamura, K. Takahashi, T. Suzuki, K. Kazaura, M. S. Alam, K. Ohmae, M. Matsumoto, K. Wakamori","doi":"10.1109/MWP.2008.4666669","DOIUrl":"https://doi.org/10.1109/MWP.2008.4666669","url":null,"abstract":"This paper presents a new statistical model of optical intensity fluctuation (scintillation), considering time correlation of atmospheric propagated optical signal in RoFSO (radio on free space optics) channel. Relationships among frequency characteristic of RoFSO channel, variance of optical intensity, and atmospheric temperature are examined. A p.d.f(probability density function) of scintillation is also discussed. On the basis of these results, throughput performance of WLAN system affected by scintillation is evaluated.","PeriodicalId":115448,"journal":{"name":"2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117238809","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
Time warps in photonic time stretch ADC and their mitigation 光子时间拉伸ADC中的时间翘曲及其缓解
2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2008-07-02 DOI: 10.1109/MWP.2008.4666630
S. Gupta, B. Jalali
{"title":"Time warps in photonic time stretch ADC and their mitigation","authors":"S. Gupta, B. Jalali","doi":"10.1109/MWP.2008.4666630","DOIUrl":"https://doi.org/10.1109/MWP.2008.4666630","url":null,"abstract":"We demonstrate a 10-GHz bandwidth digitizer with 7-effective bits of resolution and 52 dB SFDR, using photonic time stretch technique. To the best of our knowledge, this is the highest resolution analog-to-digital converter (ADC) of the same bandwidth, with at least an order of magnitude higher SNR than previously achieved. This is made possible by correction of distortion due to time warps, and non-linearities due to wavelength dependent bias variation in the Mach-Zehnder modulator. We also demonstrate concatenation of 30 wavelength interleaved time segments with high fidelity on the path to achieving continuous time operation.","PeriodicalId":115448,"journal":{"name":"2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123819176","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
Fiber optic nerve systems for smart materials and smart structures 用于智能材料和智能结构的光纤神经系统
2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference Pub Date : 2004-10-25 DOI: 10.1117/12.578159
K. Hotate
{"title":"Fiber optic nerve systems for smart materials and smart structures","authors":"K. Hotate","doi":"10.1117/12.578159","DOIUrl":"https://doi.org/10.1117/12.578159","url":null,"abstract":"Distributed and multiplexed sensing schemes have been studied and developed, recently, in the field of fiber sensor technologies. In the systems, a long length fiber acts as a ldquonerverdquo for feeling strain and/or temperature distribution along the fiber. Performances of the artificial nerve systems have markedly improved within the last couple of years, in spatial resolution and measurement speed. By embedding the ldquofiber-optic nerve systemrdquo in bridges, tall buildings and aircraft wings, these materials and structures can sense damage to prevent disasters.","PeriodicalId":115448,"journal":{"name":"2008 International Topical Meeting on Microwave Photonics jointly held with the 2008 Asia-Pacific Microwave Photonics Conference","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130926228","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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