2022 IEEE International Topical Meeting on Microwave Photonics (MWP)最新文献

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Attractive Features of Butt Coupling between Single/Multi Mode GaAs-VCSELs and SSMF for Green, Low-cost Radio-over-Fiber Systems 绿色、低成本光纤无线电系统中单/多模GaAs-VCSELs和SSMF对接耦合的吸引特性
2022 IEEE International Topical Meeting on Microwave Photonics (MWP) Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997790
J. Nanni, Giada Saderi, Gaetano Bellanca, G. Bosi, A. Raffo, V. Vadalà, P. Debernardi, J. Polleux, G. Tartarini
{"title":"Attractive Features of Butt Coupling between Single/Multi Mode GaAs-VCSELs and SSMF for Green, Low-cost Radio-over-Fiber Systems","authors":"J. Nanni, Giada Saderi, Gaetano Bellanca, G. Bosi, A. Raffo, V. Vadalà, P. Debernardi, J. Polleux, G. Tartarini","doi":"10.1109/MWP54208.2022.9997790","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997790","url":null,"abstract":"Optical transmitters based on Vertical Cavity Surface Emitting Lasers operating in the first optical window (FW-VCSELs) constitute an attractive option to realize Green Radio over Fiber (RoF) systems, due to their low energy consumption. In addition, these devices can take advantage of the widespread existing infrastructures realized on G.652 Standard Single Mode Fibers (SSMF) to develop low-cost RoF connections while remaining transparent for the presently transmitted Fiber-To-The-Home services, which exploit the second and third optical windows. Within this context, the use of simple butt-coupling between FW-VCSELs and SSMF should be a desirable feature, which however is theoretically exposed to possible drawbacks of poor efficiency and two-mode propagation effects. Through a detailed experimental activity referred to commercial high-performance multi- and single-mode FW-VCSELs, it is shown how to optimize their butt-coupling configuration to SSMF reducing the mentioned drawbacks and consider this solution suitable for 5G-and-beyond low-cost Green RoF applications.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"10852 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122331474","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
FTnet-based Digital Demodulator for Radio over Fiber Transmission 基于ftnet的光纤无线传输数字解调器
2022 IEEE International Topical Meeting on Microwave Photonics (MWP) Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997709
Yue Zhu, J. Ye, Lian-shan Yan, W. Pan, X. Zou
{"title":"FTnet-based Digital Demodulator for Radio over Fiber Transmission","authors":"Yue Zhu, J. Ye, Lian-shan Yan, W. Pan, X. Zou","doi":"10.1109/MWP54208.2022.9997709","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997709","url":null,"abstract":"A digital demodulator based on Fourier layer Transformer network (FTnet) is proposed for radio over fiber (RoF) transmission with intensity-modulation and direct-detection (IM-DD). The FTnet is a new deep learning network, which replaces the self-attention mechanism of the Transformer encoder with a Fourier layer. The FTnet-based digital demodulator can directly recover corresponding bitstreams from the impaired receiving signal, which replaces a series of digital signal processing in the RoF traditional digital demodulator, including down-conversion, matched filter, downsampling, phase offset compensation, equalization, decoding, etc. A 10 GHz 16/64QAM 2 Gsym/s 25 km RoF transmission system is established to verify the proposed method. The experimental results show that the receiving sensitivity for 16QAM and 64QAM systems with the proposed demodulator can be improved by 1 dB and 5 dB respectively compared to traditional digital demodulator with LMS equalizer under a bit error rate limit of 3.8×10−3.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131954231","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
Ultrathin GHz-speed free-space electro-optic modulators 超薄ghz速度自由空间电光调制器
2022 IEEE International Topical Meeting on Microwave Photonics (MWP) Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997591
Ileana-Cristina Benea-Chelmus
{"title":"Ultrathin GHz-speed free-space electro-optic modulators","authors":"Ileana-Cristina Benea-Chelmus","doi":"10.1109/MWP54208.2022.9997591","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997591","url":null,"abstract":"We discuss electro-optic modulators from flat optics that change the intensity of light at speeds up to the microwaves. We employ a hybrid platform that combines silicon-silica nanoresonators with an electro-optic organic coating that maximizes the interaction of the optical field with microwaves applied via gold electrodes patterned around single rows of resonators. By employing electric field poling of the coating, we engineer its nonlinearity in-device. The resulting in-plane periodically poled layer matches the polarity of the applied microwave field, thereby leading to a maximized electro-optic effect.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130928725","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
Adaptive multipath optical self-interference cancellation based on deep reinforcement learning 基于深度强化学习的自适应多径光自干扰消除
2022 IEEE International Topical Meeting on Microwave Photonics (MWP) Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997635
Xiao Yu, J. Ye, Lian-shan Yan, X. Zou, W. Pan
{"title":"Adaptive multipath optical self-interference cancellation based on deep reinforcement learning","authors":"Xiao Yu, J. Ye, Lian-shan Yan, X. Zou, W. Pan","doi":"10.1109/MWP54208.2022.9997635","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997635","url":null,"abstract":"An adaptive multipath optical self-interference cancellation scheme based on deep reinforcement learning is proposed and investigated. The simulation results demonstrate that the proposed scheme can adaptively achieve multipath self-interference cancellation using deep neural networks, where the multipath SI is successfully eliminated to the noise floor and a cancellation depth of 33.4 dB over 2 GHz bandwidth at a center frequency of 2 GHz is achieved within 5 steps. The proposed scheme may provide a promising solution for future in-band full-duplex systems.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116488289","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
Quasi 2-bit 32-QAM OFDM based Digital RoF Link by Delta-sigma Modulation at 2.5 Gbit/s 基于2.5 Gbit/s Delta-sigma调制的准2位32-QAM OFDM数字RoF链路
2022 IEEE International Topical Meeting on Microwave Photonics (MWP) Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997713
Zu-Kai Weng, P. Dat, A. Kanno, T. Kawanishi
{"title":"Quasi 2-bit 32-QAM OFDM based Digital RoF Link by Delta-sigma Modulation at 2.5 Gbit/s","authors":"Zu-Kai Weng, P. Dat, A. Kanno, T. Kawanishi","doi":"10.1109/MWP54208.2022.9997713","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997713","url":null,"abstract":"We experimentally implemented and discussed the quasi 2-bit delta-sigma modulated 32-QAM OFDM based DRoF link in detail. Optically constructing the delta-sigma modulated 2-bit QAM-OFDM data mitigated the impact of nonlinearity in optical links. After optimization, the quasi 2-bit delta-sigma modulated 32-QAM OFDM was successfully transmitted over 15-km SMF with a raw data rate of 2.5 Gbit/s at the lowest receiving power of −15.10 dBm. The proposed DRoF link structure boosted the robust anti-nonlinearity and cost-effective RRHs, which was appropriate for the beyond 5G applications.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123296490","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
Microwave photonic phase shifter based on the integration of ITO-enabled microheaters 基于集成ito微加热器的微波光子移相器
2022 IEEE International Topical Meeting on Microwave Photonics (MWP) Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997743
S. Chew, X. Yi, L. Nguyen
{"title":"Microwave photonic phase shifter based on the integration of ITO-enabled microheaters","authors":"S. Chew, X. Yi, L. Nguyen","doi":"10.1109/MWP54208.2022.9997743","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997743","url":null,"abstract":"The advances in reconfigurable microwave photonic (MWP) integrated devices calls for the discovery of materials that can offer the same reconfigurable properties. In this paper, we explore the use of indium tin oxide (ITO), which belongs to the family of transparent conductive oxides (TCO), for the first demonstration of tunable on-chip MWP devices. The ability to modify the optical and electronic properties of ITO makes this a novel material with unlimited possibilities to outperform current tunability mechanism. In this paper, we demonstrate the use of the quasi-metallic feature of ITO as an active microheater control for realizing a tunable MWP phase shifter. Experimental results show the successful tuning of the RF phase shifts from 0 – 322°, almost across the full phase tuning range of the single ring, throughout a 20 GHz span by driving the ITO microheaters with a biased voltage tuned from 1.05 V to 5.25 V.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"18 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128034905","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
Microwave Photonic Sensor Based on Optical Sideband Processing with Linear Frequency-modulated Pulse 基于线性调频脉冲光边带处理的微波光子传感器
2022 IEEE International Topical Meeting on Microwave Photonics (MWP) Pub Date : 2022-10-01 DOI: 10.1109/MWP54208.2022.9997605
Xiaoyi Tian, Liwei Li, L. Nguyen, R. Minasian, X. Yi
{"title":"Microwave Photonic Sensor Based on Optical Sideband Processing with Linear Frequency-modulated Pulse","authors":"Xiaoyi Tian, Liwei Li, L. Nguyen, R. Minasian, X. Yi","doi":"10.1109/MWP54208.2022.9997605","DOIUrl":"https://doi.org/10.1109/MWP54208.2022.9997605","url":null,"abstract":"In this paper, a new microwave photonic (MWP) sensing scheme, which is based on interrogating microresonator sensors with fast speed and improved resolution by adopting a broadband linear frequency-modulated pulse (LFMP) in the MWP sideband processing, is presented. The LFMP modulates the interrogation light, creating the optical sideband that sweeps through the resonance rapidly. By using the optimized DC bias point, the resonance spectral dip with arbitrary characteristics can be transformed into the zero point in the temporal envelope of the transmitted LFMP, hence providing improved interrogation resolution of the resonance shifts caused by environmental changes. The proposed scheme was implemented with a microdisk resonance for temperature sensing, where up to 20-fold interrogation resolution improvement was demonstrated by tuning the DC bias voltage to the optimum. The interrogation speed is 500 kHz, which can be further improved by using a shorter repetition period and pulse width.","PeriodicalId":127318,"journal":{"name":"2022 IEEE International Topical Meeting on Microwave Photonics (MWP)","volume":"167 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116695235","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
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