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| 1 | Long-term thermal regimes of the Qinghai-Tibet Railway embankments in plateau permafrost regions显示文摘Ten years of ground temperature data(2003–2013) indicate that the long-term thermal regimes within embankments of the Qinghai-Tibet Railway(QTR) vary significantly with different embankment structures. Obvious asymmetries exist in the ground temperature fields within the traditional embankment(TE) and the crushed-rock basement embankment(CRBE). Measurements indicate that the TE and CRBE are not conducive to maintaining thermal stability. In contrast, the ground temperature fields of both the crushed-rock sloped embankment(CRSE) and the U-shaped crushed-rock embankment(UCRE) were symmetrical. However, the UCRE gave better thermal stability than the CRSE because slow warming of deep permafrost was observed under the CRSE. Therefore, the UCRE has the best long-term effect of decreasing ground temperature and improving the symmetry of the temperature field. More generally, it is concluded that construction using the cooling-roadbed principle meets the design requirements for long-term stability of the railway and for train transport speeds of 100 km h?1. However, temperature differences between the two shoulders, which exist in all embankments shoulders, may cause potential uneven settlement and might require maintenance. | NIU Fu un LIU MingHao CHENG GuoDong LIN ZhanJu LUO Jing YIN GuoAn | 2015 | Science China Earth Sciences2015，58，9： | 14 |
| 2 | Risk assessment on the epidemics of human infection with a novel avian influenza A (H7N9) virus in Jiangsu Province, China显示文摘A novel avian influenza A (H7N9) virus was discovered in February 2013 in China and has resulted in more than 100 comfirmed human infections including 26 fatal cases as of May 2, 2013. The situation raises many urgent questions and global public health concerns. In this study, epidemiologic characteristics of infected human cases in Jiangsu province were analyzed and risk assessment was undertaken based on the information available. Briefly, it is highly unlikely that a pandemic of human infection with avian influenza A (H7N9) virus will happen in Jiangsu Province in the near future. In the end, some measures are recommended to prevent the situation from becoming worse. | Wendong Liu Yefei Zhu Xian Qi Ke Xu Aihua Ge Hong Ji Jing Ai Changjun Bao Fenyang Tang Minghao Zhou | 2013 | The Journal of Biomedical Research2013，27，3： | 9 |
| 3 | Dual-Mode Induction of Tunable Circularly Polarized Luminescence from Chiral Metal-Organic Frameworks显示文摘The general approach for fabricating solid-state materials showing circularly polarized luminescence(CPL)is still in its challenge.In this work,chiral metal-organic frameworks(MOFs)with full-color and white-color circularly polarized light emission are firstly achieved through a host-guest emitter-loading strategy.Chiral zeolitic imidazolate frameworks(ZIFs,a class of MOFs)are fabricated by a facile and simple mixed-ligand coassembly pathway.Meantime,achiral dyes,quantum dots(QDs),and upconversion nanoparticles(UCNPs)are easily loaded into the chiral ZIFs during the synthetic process.Size-matched dyes can be solely encapsulated into the chiral cages of ZIF,resulting in induced CPL and enhanced luminescence efficiency in solid-state ZIF⊃dye composites.Large-sized QDs,after embedding into the gap of the ZIF particles,also exhibited intense CPL activity.Furthermore,through modulating the blending ratio of colored dyes or QDs in chiral ZIFs,white light-emitting ZIFs with circular polarization could be constructed in a solid state.In addition,through loading rare earth element-based upconversion nanoparticles(UCNPs)into chiral ZIFs,upconverted CPL(UC-CPL)could be achieved with a high dissymmetry factor(glum).Thus,various achiral luminophores were endowed with CPL upon coupling with chiral ZIFs,which significantly deepened and enlarged the research scope of the chiroptical materials in a solid state. | Tonghan Zhao Jianlei Han Xue Jin Minghao Zhou Yan Liu Pengfei Duan Minghua Liu | 2020 | Research2020，，1： | 8 |
| 4 | Large-scale blow spinning of heat-resistant nanofibrous air filters显示文摘Particulate matter(PM)pollution has become a serious problem worldwide and various kinds of nanofibrous filters aiming to solve the problem have been developed.It is urgent to remove PM from high-temperature pollution sources,such as industrial emissions,coal furnaces,and automobile exhaust gases.However,filtration at pollution sources remains challenging because most existing air filters are not resistant to high temperature.Herein,heat-resistant polyimide(PI)nanofibrous air filters are fabricated via a simple and scalable solution blow-spinning method.These air filters show excellent thermal stability at high temperature up to 420℃.They exhibit a filtration efficiency as high as 99.73%at ambient temperature and over 97%at 300℃.In addition,a field test shows that the filters remove>97%of PM from the car exhaust fumes.Hence,the blow-spun PI nanofibrous membranes combined with the facile preparation strategy have great potential in high temperature air filtration fields and other similar applications such as water purification and protein separation. | Ziwei Li Jianan Song Yuanzheng Long Chao Jia Zhenglian Liu Lei Li Cheng Yang Junchen Liu Sen Lin Haiyang Wang Yibo Liu Minghao Fang Hui Wu | 2020 | Nano Research2020，13，3： | 6 |
| 5 | GOLM1 exacerbates CD8^(+)T cell suppression in hepatocellular carcinoma by promoting exosomal PD-L1 transport into tumor-associated macrophages显示文摘The immunosuppressive microenvironment plays an important role in tumor progression and immunotherapy responses.Golgi membrane protein 1(GOLM1)is correlated to hepatocellular carcinoma(HCC)progression and metastasis.However,little is known about the role of GOLM1 in regulating the immunosuppressive environment and its impact on immunotherapeutic efficacy in HCC.In this study,GOLM1 was positively correlated with infiltrating tumor-associated macrophages(TAMs)expressed high levels of programmed death-ligand 1(PD-L1)and CD8^(+)T cell suppression in HCC tissues.Both gain-and loss-of-function studies determined a close correlation between GOLM1 and immunosuppression.In the mechanism,GOLM1 promoted COP9 signalosome 5-mediated PD-L1 deubiquitination in HCC cells and increased the transport of PD-L1 into exosomes via suppression of Rab27b expression.Furthermore,co-culture with exosomes derived from HCC cells upregulated the expression of PD-L1 on macrophages.Zoledronic acid in combination with anti-PD-L1 therapy reduced PD-L1^(+)TAMs infiltration and alleviated CD8^(+)T cell suppression,resulting in tumor growth inhibition in the mouse HCC model.Together,our study unveils a mechanism by which GOLM1 induces CD8^(+)T cells suppression through promoting PD-L1 stabilization and transporting PD-L1 into TAMs with exosome dependent.Targeting PD-L1^(+)TAM could be a novel strategy to enhance the efficacy of anti-PD-L1 therapy in HCC. | Jinhong Chen Zhifei Lin Lu Liu Rui Zhang Yan Geng Minghao Fan Wenwei Zhu Ming Lu Lu Lu Huliang Jia Jubo Zhang Lun-Xiu Qin | 2021 | Signal Transduction and Targeted Therapy2021，6，12： | 5 |
| 6 | Porous Si/C composite as anode materials for high-performance rechargeable lithium-ion battery显示文摘A novel porous silicon was synthesized through a magnesiothermic reduction method of molecular sieve for the first time, Si/C composite was synthesized by using pitch as carbon source. The porous Si/C composite shows a high initial specific capacity of 2018.5 mAh/g with current density of 0.1 A/g. When the current density increases to 2 A/g, it still exhibits high average specific capacity of 640.3 mAh/g. The porous structure can remit the Si particle pulverization during the lithiation/delithiation process. This article can provide a reference for the research of the porous Si anode for the high performance rechargeable lithium-ion battery. | Bingbing Deng Lian Shen Yangai Liu Tao Yang Manshu Zhang Renjie Liu Zhaohui Huang Minghao Fang Xiaowen Wu | 2017 | Chinese Chemical Letters2017，28，12： | 4 |
| 7 | Lead‑Free Perovskite Materials for Solar Cells显示文摘The toxicity issue of lead hinders large-scale commercial production and photovoltaic field application of lead halide perovskites.Some novel non-or low-toxic perovskite materials have been explored for development of environmentally friendly lead-free perovskite solar cells(PSCs).This review studies the substitution of equivalent/heterovalent metals for Pb based on first-principles calculation,summarizes the theoretical basis of lead-free perovskites,and screens out some promising lead-free candidates with suitable bandgap,optical,and electrical properties.Then,it reports notable achievements for the experimental studies of lead-free perovskites to date,including the crystal structure and material bandgap for all of lead-free materials and photovoltaic performance and stability for corresponding devices.The review finally discusses challenges facing the successful development and commercialization of lead-free PSCs and predicts the prospect of lead-free PSCs in the future. | Minghao Wang Wei Wang Ben Ma Wei Shen Lihui Liu Kun Cao Shufen Chen Wei Huang | 2021 | Nano-Micro Letters2021，13，4： | 4 |
| 8 | Enhanced production of seed oil with improved fatty acid composition by overexpressing NAD^(+)-dependent glycerol-3-phosphate dehydrogenase in soybean显示文摘There is growing interest in expanding the production of soybean oils(mainly triacylglycerol, or TAG) to meet rising feed demand and address global energy concerns. We report that a plastidlocalized glycerol-3-phosphate dehydrogenase(GPDH), encoded by GmGPDHp1 gene, catalyzes the formation of glycerol-3-phosphate(G3 P), an obligate substrate required for TAG biosynthesis.Overexpression of GmGPDHp1 increases soybean seed oil content with high levels of unsaturated fatty acids(FAs), especially oleic acid(C18:1), without detectably affecting growth or seed protein content or seed weight. Based on the lipidomic analyses, we found that the increase in G3 P content led to an elevated diacylglycerol(DAG) pool, in which the Kennedy pathwayderived DAG was mostly increased, followed by PC-derived DAG, thereby promoting the synthesis of TAG containing relatively high proportion of C18:1. The increased G3 P levels induced several transcriptional alterations of genes involved in the glycerolipid pathways. In particular, genes encoding the enzymes responsible for de novo glycerolipid synthesis were largely upregulated in the transgenic lines, in-line with the identified biochemical phenotype. These results reveal a key role for GmGPDHp1-mediated G3 P metabolism in enhancing TAG synthesis and demonstrate a strategy to modify the FA compositions of soybean oils for improved nutrition and biofuel. | Ying Zhao Pan Cao Yifan Cui Dongxu Liu Jiapeng Li Yabin Zhao Siqi Yang Bo Zhang Runnan Zhou Minghao Sun Xuetian Guo Mingliang Yang Dawei Xin Zhanguo Zhang Xin Li Chen Lv Chunyan Liu Zhaoming Qi Jingyu Xu Xiaoxia Wu Qingshan Chen | 2021 | Journal of Integrative Plant Biology2021，63，6： | 4 |
| 9 | Localization Algorithm of Indoor Wi-Fi Access Points Based on Signal Strength Relative Relationship and Region Division显示文摘Precise localization techniques for indoor Wi-Fi access points(APs)have important application in the security inspection.However,due to the interference of environment factors such as multipath propagation and NLOS(Non-Line-of-Sight),the existing methods for localization indoor Wi-Fi access points based on RSS ranging tend to have lower accuracy as the RSS(Received Signal Strength)is difficult to accurately measure.Therefore,the localization algorithm of indoor Wi-Fi access points based on the signal strength relative relationship and region division is proposed in this paper.The algorithm hierarchically divide the room where the target Wi-Fi AP is located,on the region division line,a modified signal collection device is used to measure RSS in two directions of each reference point.All RSS values are compared and the region where the RSS value has the relative largest signal strength is located as next candidate region.The location coordinate of the target Wi-Fi AP is obtained when the localization region of the target Wi-Fi AP is successively approximated until the candidate region is smaller than the accuracy threshold.There are 360 experiments carried out in this paper with 8 types of Wi-Fi APs including fixed APs and portable APs.The experimental results show that the average localization error of the proposed localization algorithm is 0.30 meters,and the minimum localization error is 0.16 meters,which is significantly higher than the localization accuracy of the existing typical indoor Wi-Fi access point localization methods. | Wenyan Liu Xiangyang Luo Yimin Liu Jianqiang Liu Minghao Liu Yun Q.Shi | 2018 | Computers, Materials & Continua2018，，4： | 3 |
| 10 | Flexible polyimide-based hybrid optoelectric neural interface with 16 channels of micro-LEDs and electrodes显示文摘In this paper,a polyimide-based flexible device that integrates 16 micro-LEDs and 16 IrO_(x)-modified microelectrodes for synchronous photostimulation and neural signal recording is presented.The 4×4 micro-LEDs(dimensions of 220×270×50μm^(3),700μm pitch)are fixed in the SU-8 fence structure on a polyimide substrate and connected to the leads via a wire-bonding method.The recording electrodes share a similar fabrication process on the polyimide with 16 microelectrode sites(200μm in diameter and 700μm in pitch)modified by iridium oxide(IrO_(x)).These two subparts can be aligned with alignment holes and glued back-to-back by epoxy,which ensures that the light from the LEDs passes through the corresponding holes that are evenly distributed around the recording sites.The long-term electrical and optical stabilities of the device are verified using a soaking test for 3 months,and the thermal property is specifically studied with different duty cycles,voltages,and frequencies.Additionally,the electrochemical results prove the reliability of the IrO_(x)-modified microelectrodes after repeated pressing or friction.To evaluate the tradeoff between flexibility and strength,two microelectrode arrays with thicknesses of 5 and 10μm are evaluated through simulation and experiment.The proposed device can be a useful mapping optogenetics tool for neuroscience studies in small(rats and mice)and large animal subjects and ultimately in nonhuman primates. | Bowen Ji Zhejun Guo Minghao Wang Bin Yang Xiaolin Wang Wen Li Jingquan Liu | 2018 | Microsystems & Nanoengineering2018，4，1： | 3 |
| 11 | In-situ testing study on convection and temperature characteristics of a new crushed-rock slope embankment design in a permafrost region显示文摘For the purpose of enhancing air convection and controlling solar radiation, a new crushed-rock slope embankment design combined with a sun-shade measure is proposed. A newly designed embankment was constructed in the Tuotuohe section of the Qinghai-Tibet Railway and a field-testing experiment was carried out to determine its convection and temperature characteristics. The results show that distinct air convection occurred in the crushed-rock layer of the new embankment, especially in cold seasons, which was enhanced when it flowed upwards along the slope. This preliminarily indicated that the new design of the embankment slope was good for reinforcing air convection in the crushed-rock layer. The frequent fluctuations of the convection speed and the environmental wind speed were in good agreement, suggesting that the convection in the crushed rock primarily came from the ambient wind. It was also preliminarily determined that the new embankment had a better cooling effect and sun-shade effect for decreasing the temperature of the embankment slope compared with a traditional crushed-rock slope embankment, and the mean temperature difference between them was up to 1.7 °C. The mean annual temperature at the bottom boundary of the crushed-rock layer was obviously lower than that at the top boundary, and heat flux calculation showed that the shallow soil beneath the embankment slope was weakly releasing heat, all of which indicated that the new embankment slope design was beneficial to the thermal stability of the embankment. This study is helpful in providing some references for improved engineering design and maintenance of roadbeds in permafrost regions. | MingHao Liu FuJun Niu JianHong Fang ZhanJu Lin Jing Luo GuoAn Yin | 2014 | Research in Cold and Arid Regions2014，6，4： | 3 |
| 12 | Object-Based Classification Method for PolSAR Images with Improved Scattering Powers and Contextual Features显示文摘This paper proposes a new object-based classification method for Polarimetric synthetic aperture radar(Pol SAR) images, which considers scattering powers from an improved model-based polarimetric decomposition approach, as well as the spatial and textural features. With the decomposition, the scattering ambiguities between oriented buildings and vegetation are reduced. Furthermore,various contextual features are extracted from the object and incorporated into the K-nearest neighbors(k-NN)based classification. To reduce the feature redundancy, a new Supervised locally linear embedding(S-LLE) dimensionality reduction method is introduced to map the high dimensional polarimetric signatures into the most compact low-dimensional structure for classification. Experimental results with Airborne synthetic aperture rada(AIRSAR)C-band Pol SAR image demonstrate the superior performance to other methods. | YUAN Zhengwu CHEN Ran CHEN Cuiping LUO Xiaobo LIU Minghao | 2017 | Chinese Journal of Electronics2017，26，4： | 2 |
| 13 | Methylesterification of cell-wall pectin controls the diurnal flower-opening times in rice显示文摘Flowers are the core reproductive organ of plants, and flowering is essential for cross-pollination. Diurnal flower-opening time is thus a key trait influencing reproductive isolation, hybrid breeding, and thermostability in plants. However, the molecular mechanisms controlling this trait remain unknown. Here, we report that rice Diurnal Flower Opening Time 1 (DFOT1) modulates pectin methylesterase (PME) activity to regulate pectin methylesterification levels of the lodicule cell walls, which affect lodicule swelling to control diurnal flower-opening time. DFOT1 is specifically expressed in the lodicules, and its expression gradually increases with the approach to flowering but decreases with flowering. Importantly, a knockout of DFOT1 showed earlier diurnal flower opening. We demonstrate that DFOT1 interacts directly with multiple PMEs to promote their activity. Knockout of PME40 also resulted in early diurnal flower opening, whereas overexpression of PME42 delayed diurnal flower opening. Lower PME activity was observed to be associated with higher levels of pectin methylesterification and the softening of cell walls in lodicules, which contribute to the absorption of water by lodicules and cause them to swell, thus promoting early diurnal flower opening. Higher PME activity had the opposite effect. Collectively, our work uncovers a molecular mechanism underlying the regulation of diurnal flower-opening time in rice, which would help reduce the costs of hybrid breeding and improve the heat tolerance of flowering plants by avoiding higher temperatures at anthesis. | Mumei Wang Xiaopei Zhu Guoqing Peng Minglong Liu Shuqing Zhang Minghao Chen Shitang Liao Xiaoying Wei Peng Xu Xiyu Tan Fangping Li Zhichuan Li Li Deng Ziliang Luo Liya Zhu Shuai Zhao Dagang Jiang Jing Li Zhenlan Liu Xianrong Xie Shaokui Wang Aimin Wu Chuxiong Zhuang Hai Zhou | 2022 | Molecular Plant2022，15，6： | 2 |
| 14 | RiceENCODE:A comprehensive epigenomicdatabase as a rice Encyclopedia of DNA Elements显示文摘Dear Editor,Rice(Oryza sativa)is one of the most important crops in the worldand a common model plant for genomic research.The genomesofXian/IndicaandGeng/Japonicahave been completelysequenced and annotated with accurate genome information.Over the past few years,epigenomic information,including DNAmethylation,histone modification,and chromatin accessibility,has been characterized in theXian/IndicaandGeng/Japonicage-nomes(Zhao et al.,2020).Quite a few rice three-dimensionalgenome studies have been published in the meantime(Zhaoet al.,2019).However,it is still a big challenge for many groupsthat lack dedicated bioinformatic personnel or sufficientcomputational resources to utilize such epigenetic data. | Liang Xie Minghao Liu Lun Zhao Kai Cao Peng Wang Wenhao Xu Wing-Kin Sung Xingwang Li Guoliang Li | 2021 | Molecular Plant2021，14，10： | 2 |
| 15 | Individual aortic baroreceptors are sensitive to different ranges of blood pressures显示文摘Many receptors,including thermal receptors and mechanical receptors,are only activated by stimuli within a clearly defined range of intensities.Differences in the receptive ranges enable individual receptors and their sensory centers to precisely detect the intensity of the stimulus and changes in intensity.Baroreceptors are the sensory terminals of the baroreflex.It is well understood that an increasing number of baroreceptors are recruited to produce afferent action potentials as the blood pressure increases,indicating that individual baroreceptors have different pressure thresholds.The present study revealed that individual baroreceptors could stop their afferent signals when the blood pressure exceeds a certain level,indicating that individual baroreceptors are sensitive to a specific range of blood pressure.The receptive ranges of individual baroreceptors differ in terms of the total range,the lower threshold,and the upper threshold.Of 85 baroreceptors examined in this study,the upper thresholds for about half were within the physiological blood pressure range.These results indicate that supraphysiological blood pressure is unlikely to be encoded by the recruitment of more baroreceptors.Instead,supraphysiological blood pressure levels might be signaled by an increase in the frequency of action potentials or by other mechanisms.In conclusion,our results indicate that rabbit baroreceptors are activated by blood pressure levels within specific receptive ranges.These findings should encourage further studies to examine the role of population coding of blood pressure by baroreceptors in the baroreflex. | CHEN MengJiao YANG MingHao HAN WenJuan AN ShuCheng LIU YiHui LIU ZhiQiang REN Wei | 2014 | Science China(Life Sciences)2014，57，5： | 2 |
| 16 | Multifunctional succinate additive for flexible perovskite solar cells with more than 23%power-conversion efficiency显示文摘Flexible perovskite solar cells(FPSCs)have emerged as power sources in versatile applications owing to their high-efficiency characteristics,excellent flexibility,and relatively lowcost.Nevertheless,undesired strain in perovskite films greatly impacts the power-conversion efficiency(PCE)and stability of PSCs,particularly in FPSCs.Herein,a novel multifunctional organic salt,methylammonium succinate,which can alleviate strain and reinforce grain boundaries,was incorporated into the perovskite film,leading to relaxed microstrain and a lower defect concentration.As a result,a PCE of 25.4%for rigid PSCs and a record PCE of 23.6%(certified 22.5%)for FPSCs have been achieved.In addition,the corresponding FPSCs exhibited excellent bending durability,maintaining85%of their initial efficiency after bending at a 6 mm radius for 10000 cycles. | Minghao Li Junjie Zhou Liguo Tan Hang Li Yue Liu Chaofan Jiang Yiran Ye Liming Ding Wolfgang Tress Chenyi Yi | 2022 | The Innovation2022，3，6： | 2 |
| 17 | Recent advances in wireless epicortical and intracortical neuronal recording systems显示文摘An implantable brain-computer interface(BCI)has proven to be effective in the field of sensory and motor function restoration and in the treatment of neurological disorders.Using a BCI recording system,we can transform current methods of human interaction with machines and the environment,especially to help those with cognitive and mobility disabilities regain mobility and reintegrate into society.However,most reported work has focused on a simple aspect of the whole system,such as electrodes,circuits,or data transmission,and only a very small percentage of systems are wireless.A miniature,lightweight,wireless,implantable microsystem is key to realizing long-term,real-time,and stable monitoring on freely moving animals or humans in their natural conditions.Here,we summarize typical wireless recording systems,from recording electrodes,processing chips and controllers,wireless data transmission,and power supply to the system-level package for either epicortical electrocorticogram(ECoG)or intracortical local field potentials(LFPs)/spike acquisition,developed in recent years.Finally,we conclude with our vision of challenges in next-generation wireless neuronal recording systems for chronic and safe applications. | Bowen JI Zekai LIANG Xichen YUAN Honglai XU Minghao WANG Erwei YIN Zhejun GUO Longchun WANG Yuhao ZHOU Huicheng FENG Honglong CHANG Jingquan LIU | 2022 | Science China(Information Sciences)2022，65，4： | 2 |
| 18 | Preparation,structure,luminescence properties of europium doped zinc spinel structure green-emitting phosphor ZnAl_2O_4:Eu^(2+)显示文摘The Zn_(1-x)Al_2 O_4:xEu^(2+) phosphor powders were synthesized by the solid-state reaction method.The synthesis temperature for ZnAl_2 O_4 was optimized,whereas the phase structure,TEM images,photoluminescence(PL) properties,the concentration quenching mechanism,the fluorescence decay curves,as well as the CIE chromaticity coordinates of the samples were investigated in details.Under the excitation at 379 nm,the phosphor exhibits an asymmetric broad-band green emission with a peak at 532 nm,which is ascribed to the 5 d-4 f transition of Eu2+.When the doping concentration of Eu2+ ions is 0.01,the luminescence intensity of the sample reaches the maximum value.It is further proved that the exchange interaction results in the concentration quenching of Eu2+ in the Zn_(1-x)Al_2 O_4:xEu^(2+) phosphor powders.The thermal quenching property of ZnAl_2 O_4:Eu^(2+)phosphor was investigated and the quantum efficiency(QE) values of the selected Zn_(0.99)Al_2 O_4:0.01 Eu^(2+) phosphor was measured and determined as 54.85%.The lifetime of the optimized sample Zn_(0.99)Al_2 O_4:0.01 Eu^(2+) is 3.0852 μs and the CIE coordinate of the sample was calculated as(0.3323,0.5538) with high-color-purity green emission.All properties indicate that the green-emitting ZnAl_2 O_4:Eu^(2+) phosphor powder has potential application in white LEDs. | Can He Haipeng Ji Zhaohui Huang Xiaoguang Zhang Yan'gai Liu Minghao Fang Xiaowen Wu Xin Min | 2018 | Journal of Rare Earths2018，36，9： | 2 |
| 19 | Quantum-enhanced stochastic phase estimation with the Su(1,1)interferometer显示文摘Quantum stochastic phase estimation has many applications in the precise measurement of various physical parameters.Similar to the estimation of a constant phase,there is a standard quantum limit for stochastic phase estimation,which can be obtained with the Mach-Zehnder interferometer and coherent input state.Recently,it has been shown that the stochastic standard quantum limit can be surpassed with nonclassical resources such as squcezed light.However,practical methods to achieve quantum enhancement in the stochastic phase estimation remain largely unexplored.Here we propose a method utilizing the SU(1,1)interferometer and coherent input states to cstimate a stochastic optical phase.As an example,we investigate the Ornstcin-Uhlenback stochastic phase.We analyze the performance of this method for three key estimation problems:prediction,tracking,and smoothing.The results show significant reduction of the mean square error compared with the Mach-Zehnder interferometer under the same photon number flux inside the interferometers.In particular,we show that the method with the SU(1,1)interferometer can achieve fundamental quantum scaling,achieve stochastic Heisenberg scalinga and surpass the precision of the canonical measurement. | KAIMIN ZHENG MINGHAO MI BEN WANG LANG XU LIYUN HU SHENGSHUAI LIU YANBO LOU JETAI JING LIJIAN ZHANG | 2020 | Photonics Research2020，8，10： | 2 |
| 20 | An Integrated Method Used to Value Recreation Land–a Case Study of Sweden显示文摘 | Minghao Liu Xiaobo Luo Qiyuan Li | 2012 | Energy Procedia2012，，： | 1 |
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