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Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on最新文献

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Effect maximization of quantization step slicing approach for resolution improvement in optical quantization 提高光学量化分辨率的量化步长切片方法效果最大化
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994491
T. Nagashima, M. Hasegawa, T. Murakawa, T. Konishi
{"title":"Effect maximization of quantization step slicing approach for resolution improvement in optical quantization","authors":"T. Nagashima, M. Hasegawa, T. Murakawa, T. Konishi","doi":"10.1109/MWP.2014.6994491","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994491","url":null,"abstract":"We experimentally examine the scalability of the resolution improvement method using quantization step slicing approach. According to the result of scalability assessment for 3-bit optical quantization system, the resolution was successfully maximized to 5 bit.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128888129","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
Low noise semiconductor-based mode-locked laser at 800 nm suitable for high bandwidth photonic analogdigital conversion 适用于高带宽光子模数转换的800 nm低噪声半导体锁模激光器
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994530
G. Baili, Muriel Scwharz, P. Berger, L. Morvan, P. Nouchi, D. Dolfi
{"title":"Low noise semiconductor-based mode-locked laser at 800 nm suitable for high bandwidth photonic analogdigital conversion","authors":"G. Baili, Muriel Scwharz, P. Berger, L. Morvan, P. Nouchi, D. Dolfi","doi":"10.1109/MWP.2014.6994530","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994530","url":null,"abstract":"We report in this paper a low noise mode-locked laser at 800 nm designed for high bandwidth photonic A/D converter based on a photoconductive switch approach. The laser uses a semiconductor optical amplifier implemented in a long fibred ring cavity with a high quality factor including an intensity modulator and a chirped Bragg filter. Active and harmonic mode-locking lead to optical pulses with repetition rates in the few GHz range and an average optical power of 6 mW. Thanks to cavity dispersion management and the use of a compact fibred external compressor, pulse duration of 4.7 ps is obtained for a repetition rate of 2.01 GHz. At this repetition rate, a timing jitter of 34 fs, for integration frequencies from 10 Hz to 1 MHz, is obtained with a non-stabilized laser source. Implemented in a compact volume with all COTS components, the developped laser source is the ideal one for a photo-switch based A/D converter.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127841868","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
Optimization of analog optical link performance: First minimize the noise figure 模拟光链路性能的优化:首先降低噪声系数
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994591
E. Ackerman, C. Cox
{"title":"Optimization of analog optical link performance: First minimize the noise figure","authors":"E. Ackerman, C. Cox","doi":"10.1109/MWP.2014.6994591","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994591","url":null,"abstract":"The authors have amassed the reported measured noise figure and spurious-free dynamic range data for analog optical links operating between 1 MHz and 100 GHz. We have observed that, in most cases, efforts to increase the dynamic range have resulted in an undesired increase in the noise figure as well. This would not be unduly problematic if broadband preamplifiers with sufficiently high dynamic range were commercially available. Using the advertised performance of commercial amplifiers, however, we find that pre-amplification of analog optical links to achieve acceptable noise figure in most cases reduces the dynamic range to a level below that of links that have low noise figure without a pre-amplifier. We conclude, therefore, that minimization of noise figure without a preamplifier is of paramount importance, and efforts to “linearize” links will yield true system improvements only after significant advancements in the state of the art of amplifier and/or optical link technology are achieved.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133849016","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: 8
Ultra-wideband RF photonic phase shifter with 360° tunable phase and configurable amplitude response 具有360°可调相位和可配置振幅响应的超宽带射频光子移相器
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994579
M. Pagani, D. Marpaung, B. Eggleton
{"title":"Ultra-wideband RF photonic phase shifter with 360° tunable phase and configurable amplitude response","authors":"M. Pagani, D. Marpaung, B. Eggleton","doi":"10.1109/MWP.2014.6994579","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994579","url":null,"abstract":"We demonstrate a novel approach for implementing a broadband microwave photonic phase shifter using stimulated Brillouin scattering (SBS). This new technique solves the bandwidth limitation of previous gain-transparent SBS-based phase shifters, while achieving unprecedented minimum power fluctuations, as a function of phase shift. We introduce a new paradigm where the phase and amplitude of the optical carrier are controlled independently. This is achieved by controlling the power of two SBS pumps. The first pump is used to tune the optical carrier power, while the second is used to shift the phase of the same carrier. This additional degree of freedom enables unparalleled control of the RF amplitude and phase response of the phase shifter. We demonstrate 360° continuously tunable phase shift, with less than 0.25 dB output power fluctuations, over a frequency band from 1.5 to 31 GHz, limited only by the measurement equipment.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127055303","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
Narrow-linewidth laser diode with compact optical-feedback system 具有紧凑光反馈系统的窄线宽激光二极管
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994495
K. Aoyama, R. Yoshioka, N. Yokota, H. Yasaka, W. Kobayashi
{"title":"Narrow-linewidth laser diode with compact optical-feedback system","authors":"K. Aoyama, R. Yoshioka, N. Yokota, H. Yasaka, W. Kobayashi","doi":"10.1109/MWP.2014.6994495","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994495","url":null,"abstract":"A compact narrow-linewidth semiconductor laser source is demonstrated. Spectral linewidth of a single-mode laser diode (LD) utilized as this source can be reduced significantly by using a compact optical negative feedback system, which requires only two optical components, namely a lens and an optical filter. Our numerical analysis predicts that the spectral linewidth of LDs can be reduced by 40 dB by the proposed compact and simple optical negative feedback system. A proof-of-concept experiment confirms that the proposed system reduces the linewidth of a distributed-feedback laser from 6.4 MHz to 6.5 kHz (i.e., a reduction ratio of 30 dB). The proposed light source can be formed as a compact integrated light source by integrating a waveguide-type optical filter with a LD.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128163129","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
Radar pulse sensing based on photonic-assisted compressive sampling 基于光子辅助压缩采样的雷达脉冲传感
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994570
Qiang Guo, Yunhua Liang, Minghua Chen, Hong-wei Chen, Sigang Yang, S. Xie
{"title":"Radar pulse sensing based on photonic-assisted compressive sampling","authors":"Qiang Guo, Yunhua Liang, Minghua Chen, Hong-wei Chen, Sigang Yang, S. Xie","doi":"10.1109/MWP.2014.6994570","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994570","url":null,"abstract":"We demonstrate that 80 radar pulses within 100 μs, overlapping in temporal and ranging from 500 MHz to 5GHz which covers the UHF band, L band, S band and part of C band, are acquired by an analog-to-digital converter (ADC) with 520MHz bandwidth based on photonic compressive sampling (CS). In the experiment, maximum detection error of 100 KHz is achieved by testing a traditional rectangular pulse and a linear frequency modulated pulse respectively. The overlapping pulse trains are recovered faithfully and an exact waterfall diagram of the recovered signal is obtained, indicating that photonic compressive sampling technique is appealing in the field of radar detection.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"363 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115977390","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
Far-field antenna characterization in the sub-THz region based on electrooptic near-field measurements 基于近场电光测量的亚太赫兹区域远场天线特性
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994577
Hai Huy Nguyen Pham, S. Hisatake, T. Nagatsuma
{"title":"Far-field antenna characterization in the sub-THz region based on electrooptic near-field measurements","authors":"Hai Huy Nguyen Pham, S. Hisatake, T. Nagatsuma","doi":"10.1109/MWP.2014.6994577","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994577","url":null,"abstract":"This paper describes an antenna characterization system in the sub-THz region that is based on photonic self-heterodyne and nonpolarimetric techniques. This system shows a stable measurement, with the signal-to-noise ratio of 30 dB and the phase standard deviation of 81×10-3 rad. Far-field horn antenna characterization at 125 GHz is demonstrated. We confirm that the radiation patterns calculated from the near-field measurements are in good agreement with the simulated results.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130702099","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
Load mitigation of chromatic dispersion estimation using WSS-based chirp indicator 基于wss的啁啾指示器的色散估计负荷缓解
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994550
T. Murakawa, M. Hasegawa, T. Nagashima, T. Konishi
{"title":"Load mitigation of chromatic dispersion estimation using WSS-based chirp indicator","authors":"T. Murakawa, M. Hasegawa, T. Nagashima, T. Konishi","doi":"10.1109/MWP.2014.6994550","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994550","url":null,"abstract":"We experimentally demonstrated a practical CD monitoring using a 4-channel wavelength selective switch (WSS) as a chirp indicator. The experimental result shows that the WSS-based chirp indicator monitored residual CD of 8 ps/nm (equivalent to 500 m). As a result, we confirmed that the WSS-based chirp indicator reduced the estimation range of CD 4 times.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123324510","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
Uplink burst LTE-A signal transmission on a converged millimeter-wave and RoF system 基于毫米波和RoF融合系统的上行突发LTE-A信号传输
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994477
P. Dat, A. Kanno, T. Kawanishi
{"title":"Uplink burst LTE-A signal transmission on a converged millimeter-wave and RoF system","authors":"P. Dat, A. Kanno, T. Kawanishi","doi":"10.1109/MWP.2014.6994477","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994477","url":null,"abstract":"We propose a high-speed uplink burst-mode LTE-A signal transmission on a converged millimeter-wave and radio-over-fiber system. By using a newly developed burst-mode optical amplifier, we successfully transmit an uplink 5-carrier component LTE-A signal over a converged 5-m 92.5-GHz wireless link and 20-km radio-over-fiber system.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123497015","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
Coherent radio-over-fiber (CRoF) approach for heterogeneous wireless-optical networks 异构无线光网络的相干光纤无线电(CRoF)方法
Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on Pub Date : 2014-12-22 DOI: 10.1109/MWP.2014.6994480
S. Babiel, R. Chuenchom, A. Stohr, J. Mitchell, Y. Leiba
{"title":"Coherent radio-over-fiber (CRoF) approach for heterogeneous wireless-optical networks","authors":"S. Babiel, R. Chuenchom, A. Stohr, J. Mitchell, Y. Leiba","doi":"10.1109/MWP.2014.6994480","DOIUrl":"https://doi.org/10.1109/MWP.2014.6994480","url":null,"abstract":"A new coherent optical heterodyne radio-over-fiber (CRoF) scheme is proposed for seamless integration of next generation millimeter-wave wireless systems into a (ultra-dense) next generation passive optical network (NG-PON2). For seamless integration with the (ultra-dense) WDM infrastructure of high-capacity and longer-reach NG-PON2 networks, we propose novel radio access units (RAU) using coherent optical heterodyne detection for the generation of the millimeter-wave radio signals. The proposed CRoF concept supports the provision of multiple services over a single optical distribution network including next generation optical and wireless access services and high-capacity fixed wireless links for mobile backhaul. A proof-of-concept experiment is demonstrated in the context of backhauling. An E-band RAU utilizing CRoF is used for converting 2.5 Gb/s optical baseband data after 20 km fiber transmission to a 76 GHz wireless signal. After subsequent wireless transmission over 40 m (limited by the lab environment), the wireless E-band signal is directly reconverted to 2.5 Gb/s baseband data using a low-cost 76 GHz wireless receiver with RF envelope detection. The receiver's sensitivity is only -47 dBm for a bit error rate (BER) of 2.10-3. Within international regulations, the transmit RF power can be further increased by about 68 dB, i.e. wireless distances way beyond 2 km can be expected even in the case of rain.","PeriodicalId":220534,"journal":{"name":"Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP) 2014 International Topical Meeting on","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116683860","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
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