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| 1 | Ultracompact dual-mode waveguide crossing based on subwavelength multimode-interference couplers显示文摘We propose and experimentally demonstrate a novel ultracompact dual-mode waveguide crossing based on subwavelength multimode-interference couplers for a densely integrated on-chip mode-division multiplexing system.By engineering the lateral-cladding material index and manipulating phase profiles of light at the nanoscale using an improved inverse design method, a subwavelength structure could theoretically realize the identical beat length for both TE_0 and TE1, which can reduce the scale of the device greatly. The fabricated device occupied a footprint of only 4.8 μm× 4.8 μm. The measured insertion losses and crosstalks were less than 0.6 d B and-24 d B from 1530 nm to 1590 nm for both TE0 and TE1 modes, respectively. Furthermore, our scheme could also be expandedto design waveguide crossings that support more modes. | WEIJIE CHANG LULUZI LU XINSHU REN DONGYU LI ZEPENG PAN MENGFAN CHENG DEMING LIU MINMING ZHANG | 2018 | Photonics Research2018，6，7： | 4 |
| 2 | Detection of coal dust in a mine using optical tomography显示文摘A dust concentration imaging system based on optical tomography is proposed to monitor concentration variations of coal dust in a mine.Concentration profiles,rather than just a point value,of coal dust concentrations are the goal of this method.An optical sensor array is employed to realize an optical sensing field of the coal dust concentration during on-line monitoring.A novel image reconstruction algorithm,called the simultaneous iterative reconstruction technique(SIRT),is compared to the well known linear,back projection algorithm(LBP).The SIRT was applied to the present problem and tested by modeling.The disadvantage of the SIRT is a slow speed but some improvements have been made by adding a weighting function that reduces the relative error to 1.7% from 3.1% for 50 iterations.The results of image reconstruction are presented for both simulated and real objects.They prove that the optical tomography technique,based on a multi-source fan projection scheme,can be an effective approach for estimating coal dust distribution.This system can be applied in real time for continuous measurements in a mine. | Wei Mingsheng Tong Minming Hao Jifei Cai Li Xu Jie | 2012 | International Journal of Mining Science and Technology2012，22，4： | 4 |
| 3 | Investigation of Swelling and Dissolution Process of Natural Rubber in Aromatic Oil显示文摘Aromatic oil has been used to promote the properties of crumb rubber modified asphalt which is an ideal method to deal with the resource utilization of waste rubber tires and by-product of refinery. Furfural extract oil(FEO) was separated into the light fraction and the heavy fraction. Swelling and dissolution process of natural rubber sheet in these three oil samples was investigated to shed light on the interaction mechanism. Crumb rubber also interacted on FEO and asphalt respectively. Energy dispersive spectrometer(EDS), thermo-gravimetric analysis(TGA) and scanning electron microscope(SEM) were used to characterize the chemical and structural properties of processed rubber. The chemical composition of processed oils and asphalt was investigated by using the hydrocarbon group analysis(SARA) and gel permeation chromatography. The results revealed that the swelling rate and mass loss of rubber in oils were much higher than those in asphalt and rose with an increasing processing temperature. The heavy fraction of FEO had more diffusion and dissolving capability than the light fraction, whilst compatibility was observed between the heavy fraction and the light fraction. Selective absorption was not observed in the study and detachment of dissolved rubber was disseminated from the outside to the inside. The cross-linking degree of the residue rubber was unchanged with the processing time, and sulfur predominantly remained in the undissolved rubber. Dissolution of crumbed rubber in oils was attributed to devulcanization, while that in the asphalt was mainly attributed to depolymerization. | Wang Feng Kuang Minming Li Guanlong Zhou Xiaolong Li Chenglie | 2015 | China Petroleum Processing & Petrochemical Technology2015，17，3： | 3 |
| 4 | On-chip cyclic-AWG-based 12 × 12 silicon wavelength routing switches with minimized port-to-port insertion loss fluctuation显示文摘With the rapidly increasing bandwidth requirements of optical communication networks, compact and low-cost large-scale optical switches become necessary. Silicon photonics is a promising technology due to its small footprint, cost competitiveness, and high bandwidth density. In this paper, we demonstrate a 12 × 12 silicon wavelength routing switch employing cascaded arrayed waveguide gratings(AWGs) connected by a silicon waveguide interconnection network on a single chip. We optimize the connecting strategy of the crossing structure to reduce the switch's footprint. We develop an algorithm based on minimum standard deviation to minimize the port-toport insertion loss(IL) fluctuation of the switch globally. The simulated port-to-port IL fluctuation decreases by about 3 dB compared with that of the conventional one. The average measured port-to-port IL is 13.03 dB, with a standard deviation of 0.78 dB and a fluctuation of 2.39 dB. The device can be used for wide applications in core networks and data centers. | ZEPENG PAN SONGNIAN FU LULUZI LU DONGYU LI WEIJIE CHANG DEMING LIU MINMING ZHANG | 2018 | Photonics Research2018，6，5： | 2 |
| 5 | Barrier coverage by sensors with adjustable ranges显示文摘 | FAN Haosheng LI Minming SUN Xianwei | 2014 | ACM Transactions on Sensor Networks2014，11，1： | 1 |
| 6 | Profit-based scheduling and channel allocation for multi-item requests in real-time on-demand data broadcast systems显示文摘 | Lyu Jingsong Victor C S L Li Minming | 2012 | Data & Knowledge Engineering2012，73，： | 1 |
| 7 | Diffusion-Weighted Imaging in Assessing Renal Pathology of Chronic Kidney Disease: A Preliminary Clinical Study显示文摘 | Qinghai Li Jinning Li Lan Zhang Ying Chen Minming Zhang Fuhua Yan | 2014 | European Journal of Radiology2014，，： | 1 |
| 8 | Approximately optimal trees for group key management with batch up- dates 显示文摘 | Li Minming Feng Ze Zang Nan | 2009 | Theoretical Computer Science2009，0，11： | 1 |
| 9 | Practical decoy-state quantum secure direct communication显示文摘Quantum secure direct communication(QSDC) has been demonstrated in both fiber-based and free-space channels using attenuated lasers. Decoy-state QSDC by exploiting four decoy states has been proposed to address the problem of photon-numbersplitting attacks caused by the use of attenuated lasers. In this study, we present an analysis of the practical aspects of decoy-state QSDC. First, we design a two-decoy-state protocol that only requires two decoy states, thereby significantly reducing experimental complexity. Second, we successfully perform full parameter optimization for a real-life QSDC system by introducing a genetic algorithm. Our simulation results show that the two-decoy-state protocol could be the best choice for developing a practical QSDC system. Furthermore, full optimization is crucial for a high-performance QSDC system. Our work serves as a major step toward the further development of practical decoy-state QSDC systems. | Xin Liu Zijian Li Di Luo Chunfeng Huang Di Ma Minming Geng Junwei Wang Zhenrong Zhang Kejin Wei | 2021 | Science China(Physics,Mechanics & Astronomy)2021，64，12： | 1 |
| 10 | 4×4 MIMO fiber-wireless transmission based on an integrated four-channel directly modulated optical transceiver显示文摘In this paper, an integrated compact four-channel directly modulated analog optical transceiver is proposed and fabricated. The 3 d B bandwidth of this optical transceiver exceeds 20 GHz, and the measured spurious-free dynamic range is up to 91.2 d B · Hz^2∕3. The optical coupling efficiency(CE) is improved by using a precise submicron alignment technique for lens coupling in a transmitter optical subassembly, and the highest CE is achieved when the oblique angle of the arrayed waveguide grating using a silica-based planar lightwave circuit(AWG-PLC) in receiver optical sub assembly is set to 42°. Based on the proposed optical transceiver, we have experimentally demonstrated a 6.624 Gbit/s 4 × 4 multi-input multioutput(MIMO) 16-quadrature amplitude modulation orthogonal frequency division multiplexing(16 QAM-OFDM) radio signal over 15.5 km standard single mode fiber, together with 1.2 m wireless transmission in both an uplink and a downlink. To cope with the channel interference and noise of the fiber-wireless transmission system, a low-complexity MIMO demodulation algorithm based on lattice reduction zero-forcing(LR-ZF) is designed. In our experiment, 1.6 d B power penalty is achieved by using the proposed LR-ZF algorithm, compared to the commonly used zero-forcing algorithm.Moreover, this LR-ZF algorithm has much less complexity than the optimal maximum-likelihood sequence estimation(MLSE) at a given transmission performance. These results not only demonstrate the feasibility of the integrated optical transceiver for MIMO fiber-wireless application but also validate that the proposed LR-ZF algorithm is effective to eliminate the interference for hybrid fiber-wireless transmission. | DI ZHANG YAO YE LEI DENG DI LI HAIPING SONG YUCHENG ZHANG MINMING ZHANG SHU WANG DEMING LIU | 2019 | Photonics Research2019，7，12： | 1 |
| 11 | miR-103-3p regulates the differentiation of bone marrow mesenchymal stem cells in myelodysplastic syndrome显示文摘The pathogenesis of myelodysplastic syndrome(MDS)may be related to the abnormal expression of microRNAs(miRNAs),which could influence the differentiation capacity of mesenchymal stem cells(MSCs)towards adipogenic and osteogenic lineages.In this study,exosomes from bone marrow plasma were successfully extracted and identified.Assessment of miR-103-3p expression in exosomes isolated from BM in 34 MDS patients and 10 controls revealed its 0.52-fold downregulation in patients with MDS compared with controls(NOR)and was downregulated 0.55-fold in MDS-MSCs compared with NOR-MSCs.Transfection of MDS-MSCs with the miR-103-3p mimic improved osteogenic differentiation and decreased adipogenic differentiation in vitro,while inhibition of miR-103-3p showed the opposite results in NOR-MSCs.Thus,the expression of miR-103-3p decreases in MDS BM plasma and MDS-MSCs,significantly impacting MDS-MSCs differentiation.The miR-103-3p mimics may boost MDS-MSCs osteogenic differentiation while weakening lipid differentiation,thereby providing possible target for the treatment of MDS pathogenesis. | NINGYU LI XIAOFANG CHEN SUXIA GENG PEILONG LAI LISI HUANG MINMING LI XIN HUANG CHENGXIN DENG YULIAN WANG JIANYU WENG XIN DU | 2023 | BIOCELL2023，47，1： | 0 |
| 12 | Synthesis of fluorinated CaCO_(3)-based oxygen-supplying nanophotosensitizers to potentiate photodynamic immunotherapy by reversing tumor hypoxia and immunosuppression显示文摘Photodynamic therapy is a noninvasive type of phototherapy with a high capacity to boost specific antitumor immunity by causing immunogenic cell death.However,the photodynamic therapeutic potency toward solid tumors is dampened by tumor hypoxia that negatively impairs the generation of cytotoxic singlet oxygen and promotes the formation of tumor immunosuppression.Herein,fluorinated CaCO_(3)(CaF)nanoparticles are prepared with the addition of dopamine-conjugated perfluorosebacic acid and ferric chloride into a calcium chloride ethanol solution via an ammonium bicarbonate-mediated gas-diffusion process.After being coated with commercial lipids and hexadecylamin conjugated chlorin e6(hCe6)via a templated self-assembly process,the yielded PEGylated nanophotosensitizer(hCe6@CaF-PEG)exhibits an effective loading efficiency to perfluoro-15-crown-5-ether(PFCE),a model perfluorocarbon molecule,and thus oxygen molecules.Upon intravenous administration,the obtained PFCE/hCe6@CaF-PEG can alleviate tumor hypoxia by working as an oxygen nanoshuttle.Together with local light emitting diode light exposure,photodynamic treatment with PFCE/hCe6@CaF-PEG can suppress the growth of primary CT26 tumors and unirradiated distant tumors,particularly when synergized with anti-PD-1(aPD-1)immunotherapy to collectively reverse tumor immunosuppression.This work presents an effective strategy to potentiate photodynamic immunotherapy by concurrently reversing tumor hypoxia and immunosuppression. | Yunyun Zhang Ziliang Dong Yu Hao Yimou Gong Chunjie Wang Yifan Yan Minming Chen Yumin Wu Quguang Li Zhuang Liu Liangzhu Feng | 2023 | Nano Research2023，16，7： | 0 |
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