|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Metamaterial-enabled arbitrary on-chip spatial mode manipulation显示文摘On-chip spatial mode operation,represented as mode-division multiplexing(MDM),can support high-capacity data communications and promise superior performance in various systems and numerous applications from optical sensing to nonlinear and quantum optics.However,the scalability of state-of-the-art mode manipulation techniques is significantly hindered not only by the particular mode-order-oriented design strategy but also by the inherent limitations of possibly achievable mode orders.Recently,metamaterials capable of providing subwavelength-scale control of optical wavefronts have emerged as an attractive alternative to manipulate guided modes with compact footprints and broadband functionalities.Herein,we propose a universal yet efficient design framework based on the topological metamaterial building block(BB),enabling the excitation of arbitrary high-order spatial modes in silicon waveguides.By simply programming the layout of multiple fully etched dielectric metamaterial perturbations with predefined mathematical formulas,arbitrary high-order mode conversion and mode exchange can be simultaneously realized with uniform and competitive performance.The extraordinary scalability of the metamaterial BB frame is experimentally benchmarked by a record high-order mode operator up to the twentieth.As a proof of conceptual application,an 8-mode MDM data transmission of 28-GBaud 16-QAM optical signals is also verified with an aggregate data rate of 813 Gb/s(7%FEC).This user-friendly metamaterial BB concept marks a quintessential breakthrough for comprehensive manipulation of spatial light on-chip by breaking the long-standing shackles on the scalability,which may open up fascinating opportunities for complex photonic functionalities previously inaccessible. | Jinlong Xiang Zhiyuan Tao Xingfeng Li Yaotian Zhao Yu He Xuhan Guo Yikai Su | 2022 | Light(Science & Applications)2022，11，7： | 2 |
| 2 | All-optical silicon microring spiking neuron显示文摘With the rapid development of artificial intelligence and machine learning, brain-inspired neuromorphic photonics has emerged as an extremely attractive computing paradigm, promising orders-of-magnitude higher computing speed and energy efficiency compared to its electronic counterparts. Tremendous efforts have been devoted to photonic hardware implementations of mimicking the nonlinear neuron-like spiking response and the linear synapse-like weighting functionality. Here, we systematically characterize the spiking dynamics of a passive silicon microring neuron. The research of self-pulsation and excitability reveals that the silicon microring can function as an all-optical class Ⅱ resonate-and-fire neuron. The typical refractory period has been successfully suppressed by configuring the pump power above the perturbation power, hence allowing the microring neuron to operate with a speed up to roughly sub-gigahertz. Additionally, temporal integration and controllable inhibition regimes are experimentally demonstrated for the first time, to the best of our knowledge. Our experimental verification is obtained with a commercial CMOS platform, hence offering great potential for large-scale neuromorphic photonics integration. | Jinlong Xiang Yujia Zhang Yaotian Zhao Xuhan Guo Yikai Su | 2022 | Photonics Research2022，10，4： | 2 |
| 3 | Integrin β3 and its ligand regulate the expression of uPA through p38 MAPK in breast cancer显示文摘 | RUIWANG ZHAO‐QINGLI XUHAN BAI‐LINLI XIAO‐YIMI LI‐MEISUN MINSONG YAN‐CHUNHAN YANZHAO EN‐HUAWANG | 2010 | APMIS2010，，12： | 1 |
| 4 | One-Pot Synthesis of Fully-Conjugated Chemically Stable Two-Dimensional Covalent Organic Framework显示文摘Covalent organic frameworks(COFs)with good chemical stability coupled with extended-conjugation structures are highly prefera-ble.Herein,a fully-conjugated and chemically stable two-dimensional COF was synthesized by a one-pot,three-components synthe-sis through a successful conversion of amine,aldehyde,and alkyne groups into the quinoline units as linkages with B(C6F5)3 serving as a Lewis acid catalyst,whilst 2,3-dichloro-5,6-dicyano-1,4-benzoquinone(DDQ)was employed as an oxidant.The obtained fully conjugated 2D COF shows excellent stability in acid or base. | Hui Liu Yuxi Han Xuhan Zheng Jinyu Zhao Yixiao Man Lishui Sun Yingjie Zhao | 2022 | Chinese Journal of Chemistry2022，40，6： | 1 |
| 5 | Comparative Study on Corrosion Behavior and Mechanism of As-Cast Mg-Zn-Y and Mg-Zn-Gd Alloys显示文摘Rare earth(RE)elements have large solid solubility in magnesium and are widely used to regulate the microstructure and property of advanced magnesium alloys.However,different kinds of RE elements have different effects on microstructure and property of the alloy.In this study,a Mg-Zn-Y alloy and a Mg-Zn-Gd alloy with alloying elements of the same atomic percentage were designed to clarify the effect of yttrium(Y)and gadolinium(Gd)on the corrosion behavior of as-cast MgZn_(2)_Y(2.66) and MgZn_(2)Gd_(2.66)alloys.The results show that the MgZn_(2)_Y(2.66) alloy is mainly composed ofα-Mg phase and long period stacking ordered(LPSO)phase,while MgZn_(2)Gd_(2.66)alloy is mainly composed ofα-Mg phase and(Mg,Gd)_(3)Zn phase(W phase).Generally speaking,the corrosion phenomena of the two alloys in 3.5 wt%NaCl solution are similar.In the early stages of exposure,the alloys underwent uniform corrosion at a relatively low corrosion rate.With prolonged exposure,localized corrosion became dominated and the corrosion rate was greatly increased.However,the corrosion rate of the MgZn_(2)_Y(2.66) alloy,in terms of the corrosion current density,is about one order of magnitude lower than that of the MgZn_(2)Gd_(2.66)alloy.The high corrosion resistance of the MgZn_(2)_Y(2.66) alloy is mainly attributed to the presence of LPSO phase in form of continuous networks and the relatively high corrosion resistance of the corrosion product layer on the alloy. | Guoqiang Xi Xuhan Zhao Yanlong Ma Yu Mou Ju Xiong Kai Ma Jingfeng Wang | 2023 | Acta Metallurgica Sinica(English Letters)2023，36，2： | 0 |
| 6 | Configurational Selectivity Study of Two-dimensional Covalent Organic Frameworks Isomers Containing D2h and C2 Building Blocks显示文摘The isomerization of covalent organic frameworks(COFs) materials is still a mysterious and attractive topic. Diversified monomer structures are still urgently needed to explore the in-depth mechanism of isomerization in these special COFs. This work provides a new D2h monomer for the construction of [D2h+C2] 2D COFs isomers. A new D2h monomer adopted here was proven to tend to form a single pore framework structure. | ZHENG Xuhan ZHANG Lin XIE Chenxiao WANG Hui LIU Hui PAN Qingyan ZHAO Yingjie | 2022 | Chemical Research in Chinese Universities2022，38，2： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员