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| 1 | Silicon photonic platforms for mid-infrared applications [Invited]显示文摘Silicon photonic integrated circuits for telecommunication and data centers have been well studied in the past decade, and now most related efforts have been progressing toward commercialization. Scaling up the silicon-oninsulator(SOI)-based device dimensions in order to extend the operation wavelength to the short mid-infrared(MIR) range(2–4 μm) is attracting research interest, owing to the host of potential applications in lab-on-chip sensors, free space communications, and much more. Other material systems and technology platforms, including silicon-on-silicon nitride, germanium-on-silicon, germanium-on-SOI, germanium-on-silicon nitride, sapphireon-silicon, Si Ge alloy-on-silicon, and aluminum nitride-on-insulator are explored as well in order to realize low-loss waveguide devices for different MIR wavelengths. In this paper, we will comprehensively review silicon photonics for MIR applications, with regard to the state-of-the-art achievements from various device demonstrations in different material platforms by various groups. We will then introduce in detail of our institute's research and development efforts on the MIR photonic platforms as one case study. Meanwhile, we will discuss the integration schemes along with remaining challenges in devices(e.g., light source) and integration. A few application-oriented examples will be examined to illustrate the issues needing a critical solution toward the final production path(e.g., gas sensors). Finally, we will provide our assessment of the outlook of potential futureresearch topics and engineering challenges along with opportunities. | TING HU BOWEI DONG XIANSHU LUO TSUNG-YANG LIOW JUNFENG SONG CHENGKUO LEE GUO-QIANG LO | 2017 | Photonics Research2017，5，5： | 13 |
| 2 | An Early Warning System for Curved Road Based on OV7670 Image Acquisition and STM32显示文摘Nowadays,the number of vehicles in China has increased significantly.The increase of the number of vehicles has also led to the increasingly complex traffic situation and the urgent safety measures in need.However,the existing early warning devices such as geomagnetic,ultrasonic and infrared detection have some shortcomings like difficult installation and maintenance.In addition,geomagnetic detection will damage the road surface,while ultrasonic and infrared detection will be greatly affected by the environment.Considering the shortcomings of the existing solutions,this paper puts forward a solution of early warning for vehicle turning meeting based on image acquisition and microcontrollers.This solution combines image acquisition and processing technology,which uses image sensor to perceive traffic condition and image data analysis algorithm to process perceived image,and then utilize LED display screen to issue an early warning. | Xiaoliang Wang Wenhua Song Bowei Zhang Brandon Mausler Frank Jiang | 2019 | Computers, Materials & Continua2019，，4： | 2 |
| 3 | On Channel Estimation and Equalization in TDS-OFDM Based on Terrestrial HDTV Broadcasting System显示文摘 | Song Bowei Lin Gui Guan Yunfeng | 2005 | IEEE Transactions on Consumer Electronics2005，51，3： | 1 |
| 4 | On channel estimation and equalization in TDS-OFDM based Terrestrial HDTV Broadcasting System显示文摘 | Song Bowei Gui Lin Guan Yunfeng | 2005 | IEEE Transactions on Con- sumer Electronics2005，51，3： | 1 |
| 5 | On channel estimation and equalization in TDS-OFDM based terrestrial HDTV broadcasting system显示文摘 | SONG Bowei GUI Lin GUAN Yunfeng | 2005 | IEEE Transactions on Consumer Electronics2005，51，3： | 1 |
| 6 | Synthesis and Properties of PGS-Li Scaffold显示文摘 | LIU Zhihui LU Yadong FENG Wei YANG Junxing GAO Shang SONG Lijie WANG Yao WANG Bowei | 2018 | Chemical Research in Chinese Universities2018，34，4： | 1 |
| 7 | Comb type pilot aided channel estimation in OFDM systems with transmit diversity显示文摘 | SONG Bowei GUI Lin ZHANG Wenjun | 2006 | IEEE Trans Broadcasting2006，52，1： | 1 |
| 8 | Comb type pilot aided channel estimation in OFDM systems with transmit diversity显示文摘 | LIN GUI ZHANG WENJUN | 2006 | IEEE Transactions on Broadcasting2006，51，1： | 1 |
| 9 | On Channel Estimation and Equalization in TDS-OFDM based Terrestrial HDTV Broadcasting System 显示文摘 | Song Bowei Gui Lin Guan Yunfeng | 2005 | [EEE Transaetions on Consumer Electronics2005，51，3： | 1 |
| 10 | Dynamic value iteration networks for the planning of rapidly changing UAV swarms显示文摘In an unmanned aerial vehicle ad-hoc network(UANET),sparse and rapidly mobile unmanned aerial vehicles(UAVs)/nodes can dynamically change the UANET topology.This may lead to UANET service performance issues.In this study,for planning rapidly changing UAV swarms,we propose a dynamic value iteration network(DVIN)model trained using the episodic Q-learning method with the connection information of UANETs to generate a state value spread function,which enables UAVs/nodes to adapt to novel physical locations.We then evaluate the performance of the DVIN model and compare it with the non-dominated sorting genetic algorithm II and the exhaustive method.Simulation results demonstrate that the proposed model significantly reduces the decisionmaking time for UAV/node path planning with a high average success rate. | Wei LI Bowei YANG Guanghua SONG Xiaohong JIANG | 2021 | Frontiers of Information Technology & Electronic Engineering2021，22，5： | 1 |
| 11 | Heterologous expres- sion of the TsVP gene improves the drought resis- tance of maize显示文摘 | Li BoWei A Y Song C X | 2008 | Plant Biotechnology Journal2008，6，： | 1 |
| 12 | On channel estimation and equalization in TDS-OFDM based terrestrial HDTV broadcasting system 显示文摘 | Bowei Song | 2005 | IEEE Transactions on Consumer Electronics2005，51，8： | 1 |
| 13 | Comb type pilot aided channel estimation in OFDM systems with transmit diversity显示文摘 | Song Bowei Gui Lin Zhang Wenjun | 2006 | IEEE Trans on Broadcasting2006，52，1： | 1 |
| 14 | Laser-Induced Recoverable Fluorescence Quenching of Perovskite Films at a Microscopic Grain Scale显示文摘Understanding the fundamental properties of metal-halide perovskite materials is driving the development of novel optoelectronic applications.Here,we report the observation of a recoverable laser-induced fluorescence quenching phenomenon in perovskite films with a microscopic grain-scale restriction,accompanied by spectral variations.This fluorescence quenching depends on the laser intensity and the dwell time under Auger recombination dominated conditions.These features indicate that the perovskite lattice deformation may take the main responsibility for the transient and show a new aspect to understand halide perovskite photostability.We further modulate this phenomenon by adjusting the charge carrier recombination and extraction,revealing that efficient carrier transfer can improve the bleaching resistance of perovskite grains.Our results provide future opportunities to attain high-performance devices by tuning the perovskite lattice disorder and harvesting the energetic carriers. | Yuren Xiang Yameng Cao Wenqiang Yang Rui Hu Sebastian Wood Bowei Li Qin Hu Fan Zhang Jujie He Mozhgan Yavari Jinlai Zhao Yunlong Zhao Jun Song Junle Qu Rui Zhu Thomas P.Russell S.Ravi P.Silva Wei Zhang | 2022 | Energy & Environmental Materials2022，5，4： | 0 |
| 15 | Dynamic Meta-Modeling Method to Assess Stochastic Flutter Behavior in Turbomachinery显示文摘With increasing design demands of turbomachinery,stochastic flutter behavior has become more prominent and even appears a hazard to reliability and safety.Stochastic flutter assessment is an effective measure to quantify the failure risk and improve aeroelastic stability.However,for complex turbomachinery with multiple dynamic influencing factors(i.e.,aeroengine compressor with time-variant loads),the stochastic flutter assessment is hard to be achieved effectively,since large deviations and inefficient computing will be incurred no matter considering influencing factors at a certain instant or the whole time domain.To improve the assessing efficiency and accuracy of stochastic flutter behavior,a dynamic meta-modeling approach(termed BA-DWTR)is presented with the integration of bat algorithm(BA)and dynamic wavelet tube regression(DWTR).The stochastic flutter assessment of a typical compressor blade is considered as one case to evaluate the proposed approach with respect to condition variabilities and load fluctuations.The evaluation results reveal that the compressor blade has 0.95% probability to induce flutter failure when operating 100% rotative rate at t=170 s.The total temperature at rotor inlet and dynamic operating loads(vibrating frequency and rotative rate)are the primary sensitive parameters on flutter failure probability.Bymethod comparisons,the presented approach is validated to possess high-accuracy and highefficiency in assessing the stochastic flutter behavior for turbomachinery. | Bowei Wang Wenzhong Tang Lukai Song Guangchen Bai | 2022 | Computer Modeling in Engineering & Sciences2022，，10： | 0 |
| 16 | Synthesis and Pharmacodynamics of Ibuprofen-l-acetoxyethyl Ester显示文摘 | WANG Bowei HOU Wanshi WANG Yingnan LI Shaoheng LIU Zhihui SONG Zhiguang | 2017 | Chemical Research in Chinese Universities2017，33，4： | 0 |
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