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12篇 您的检索式:作者名="Shunfa Liu"
    题名 作者 年代 出处 被引量
1Using nerve segment insert grafting to reconstruct neural pathways of brain-derived paralysis显示文摘Since 1992,task groups have used free nerve auto grafts to bridge partially transected nerves from the dominant area of the normal cerebral cortex to nerves that innervate spastic muscles from a diseased cerebral cortex,using transplanting sutures to alleviate the muscle spasm of cerebral palsy caused by different diseases. This has facilitated rebuilding of some of its neurological function. In this study,80 such patients were followed up,including 20 patients with traumatic brain injury,32 patients with stroke,and 28 pediatric patients with cerebral palsy. After postoperative follow-up of 3 to 21 years,the efficacy rate of this operation was 100% and the excellent and good spasm relief rate was 82.5%.Wenbin Ding Shaocheng Zhang Zhuo Wang Lin Chen Chuansen Zhang Ping Huang Shunfa Liu Laiqing Sun Yuhai Ma Jun Yang Fei Huang Chengjing Xue Yanxue Zhong Lei Yin Yongtai Pan Dajiang Wu 2017Translational Neuroscience and Clinics2017,3,4:2
2Pt/Mo2C heteronanosheets for superior hydrogen evolution reaction显示文摘One of the most primary challenges to achieve large-scale hydrogen generation from water electrolysis is the sluggish kinetics and noble metal dependence of cathodic hydrogen evolution reaction(HER).By considering the excellent water dissociation catalytic activity of Mo2C, abundant Pt/Mo2C interfaces were facilely engineered via galvanic replacement(gr) by using Mo/Mo2C nanosheets as self-sacrificed templates to alter the alkaline HER mechanism on Pt based catalyst. The rational designed interface-rich gr-Pt/Mo2C catalyst exhibited excellent activity with the overpotential to drive 10 mA/cm2 current density decreased by 18.5 mV compared with the commercial Pt/C catalyst. 34.3 mV/dec Tafel slope confirms the Volmer-Tafel HER route on gr-Pt/Mo2C in alkaline condition. Platinum utilization is calculated to be improved by 9.7 times by considered the low Pt loading in the gr-Pt/Mo2C catalyst. With its satisfied stability, the scalable gr-Pt/Mo2C catalyst shows promising application potential in industrial electrolysis systems.Zhao Liu Jing Li Shiji Xue Shunfa Zhou Konggang Qu Ying Li Weiwei Cai 2020Journal of Energy Chemistry2020,29,8:2
3Efficient second harmonic generation by harnessing bound states in the continuum in semi-nonlinear etchless lithium niobate waveguides显示文摘Integrated photonics provides unprecedented opportunities to pursue advanced nonlinear light sources with lowpower consumptions and small footprints in a scalable manner,such as microcombs,chip-scale optical parametric oscillators and integrated quantum light sources.Among a variety of nonlinear optical processes,high-efficiency second harmonic generation(SHG)on-chip is particularly appealing and yet challenging.In this work,we present efficient SHG in highly engineerable semi-nonlinear waveguides consisting of electron-beam resist waveguides and thin-film silicon nitride(SiN)/lithium niobate(LN).By carefully designing octave-separating bound states in the continuum(BICs)for the nonlinear interacting waves in such a hybrid structure,we have simultaneously optimized the losses for both fundamental frequency(FF)and second harmonic(SH)waves and achieved modal phasing matching and maximized the nonlinear modal overlap between the FF and SH waves,which results in an experimental conversion efficiency up to 4.05%W^(-1)cm^(-2).Our work provides a versatile and fabrication-friendly platform to explore on-chip nonlinear optical processes with high effciency in the context of nanophotonics and quantum optics.Xueshi Li Jiantao Ma Shunfa Liu Peinian Huang Bo Chen Dunzhao Wei Jin Liu 2022Light(Science & Applications)2022,11,11:2
4Buckling behavior of composite laminates with multiple delamination under uniaxial compression 显示文摘Hwang Shunfa Liu Guihuann 2001Compositestructures2001,53,:1
5Buckling behavior of com- posite laminates with multiple delamination under uniaxial com- pression显示文摘Hwang Shunfa Liu Guihuann 2001Composite structures2001,53,:1
6Buckling behavior of com- posite laminates with multiple delamination under uniaxial com- pression显示文摘Hwang Shunfa Liu Guihuann 2001Compositestructures2001,53,:1
7Buckling behavior of composite laminates with multiple delamination under uniaxial compression 显示文摘Hwang Shunfa Liu Guihuann 2001Computers & Structures2001,53,:1
8Bright and pure single-photons from quantum dots in micropillar cavities under up-converted excitation显示文摘Self-assembled semiconductor quantum dots(QDs)are potentially scalable candidates for solid-state single-photon emitters which deterministically generate one single-photon per excitation.Such on-demand single-photon sources serve as one of the key elements in modern photonic quantum technologies[1].Until very recently,near-optimal QD single-photon sources with simultaneous high degree of brightness,single-photon purity and indistin-Rongling Su Shunfa Liu Yuming Wei Ying Yu Jin Liu Siyuan Yu Xuehua Wang 2018Science Bulletin2018,63,12:1
9Buckling behavior of com- posite laminates with multiple delamination under uniaxial com- pression 显示文摘Hwang Shunfa Liu Guihuann 2001Compositestructures2001,53,:1
10Dual-resonance enhanced quantum light-matter interactions in deterministically coupled quantum-dot-micropillars显示文摘Optical microcavities have widely been employed to enhance either the optical excitation or the photon emission processes for boosting light-matter interactions at the nanoscale.When both the excitation and emission processes are simultaneously facilitated by the optical resonances provided by the microcavities,as referred to the dual-resonance condition in this article,the performances of many nanophotonic devices approach to the optima.In this work,we present versatile accessing of dual-resonance conditions in deterministically coupled quantum-dot(QD)-micropillars,which enables emission from neutral exciton(X)—charged exciton(CX)transition with improved single-photon purity.In addition,the rarely observed up-converted single-photon emission process is achieved under dual-resonance conditions.We further exploit the vectorial nature of the high-order cavity modes to significantly improve the excitation efficiency under the dual-resonance condition.The dual-resonance enhanced light-matter interactions in the quantum regime provide a viable path for developing integrated quantum photonic devices based on cavity quantum electrodynamics(QED)effect,e.g.,highly efficient quantum light sources and quantum logical gates.Shunfa Liu Yuming Wei Xueshi Li Ying Yu Jin Liu Siyuan Yu Xuehua Wang 2021Light(Science & Applications)2021,10,9:1
11Buckling Behavior of Composite Laminates with Multiple Delamination under Uniaxial Com- pression 显示文摘Hwang Shunfa Liu Guihuan 2001Composite Structures2001,53,1:1
12Bright semiconductor single-photon sources pumped by heterogeneously integrated micropillar lasers with electrical injections显示文摘The emerging hybrid integrated quantum photonics combines the advantages of different functional components into a single chip to meet the stringent requirements for quantum information processing.Despite the tremendous progress in hybrid integrations of III-V quantum emitters with silicon-based photonic circuits and superconducting single-photon detectors,on-chip optical excitations of quantum emitters via miniaturized lasers towards single-photon sources(SPSs)with low power consumptions,small device footprints,and excellent coherence properties is highly desirable yet illusive.In this work,we present realizations of bright semiconductor SPSs heterogeneously integrated with on-chip electrically-injected microlasers.Different from previous one-by-one transfer printing technique implemented in hybrid quantum dot(QD)photonic devices,multiple deterministically coupled QD-circular Bragg Grating(CBG)SPSs were integrated with electrically-injected micropillar lasers at one time via a potentially scalable transfer printing process assisted by the wide-field photoluminescence(PL)imaging technique.Optically pumped by electrically-injected microlasers,pure single photons are generated with a high-brightness of a count rate of 3.8 M/s and an extraction efficiency of 25.44%.Such a high-brightness is due to the enhancement by the cavity mode of the CBG,which is confirmed by a Purcell factor of 2.5.Our work provides a powerful tool for advancing hybrid integrated quantum photonics in general and boosts the developments for realizing highly-compact,energy-efficient and coherent SPSs in particular.Xueshi Li Shunfa Liu Yuming Wei Jiantao Ma Changkun Song Ying Yu Rongbin Su Wei Geng Haiqiao Ni Hanqing Liu Xiangbin Su Zhichuan Niu You-ling Chen Jin Liu 2023Light(Science & Applications)2023,12,3:0
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