简介：

简介：

简介：WegiveanintroductionforthebackgroundandmotivationoftheIntegratedPhotonics:ChallengesandPerspectivesfeature.Averybriefsummaryforthefiveinvitedreviewarticlescollectedinthisfeatureissueisalsogiven.

简介：Anumberoflaserfacilitiescomingonlineallovertheworldpromisethecapabilityofhigh-powerlaserexperimentswithshotrepetitionratesbetween1and10Hz.Targetavailabilityandtechnicalissuesrelatedtotheinteractionenvironmentcouldbecomeabottleneckfortheexploitationofsuchfacilities.Inthispaper,wereportontargetneedsforthreedifferentclassesofexperiments:dynamiccompressionphysics,electrontransportandisochoricheating,andlaser-drivenparticleandradiationsources.Wealsoreviewsomeofthemostchallengingissuesintargetfabricationandhighrepetitionrateoperation.Finally,wediscusscurrenttargetsupplystrategiesandfutureperspectivestoestablishasustainabletargetprovisioninfrastructureforadvancedlaserfacilities.

简介：原子核还是复杂目标显示显著简洁和常规模式。这些和他们的起源的学习长是原子结构研究的成双的支柱之一。我们将从这个观点讨论原子原子核的行为。一个关键元素将是从不同观点看一样的数据并且互连这些观点的优点。

简介：Wereviewthestateoftheartandourperspectivesonsiliconandhybridsiliconphotonicdevicesforopticalinterconnectsindatacenters.Afterabriefdiscussionofthekeyrequirementsforintra-datacenteropticalinterconnects,weproposeawavelength-division-multiplexing(WDM)-basedopticalinterconnectforintra-datacenterapplications.Followingourproposedinterconnectsconfiguration,thebulkofthereviewemphasizesrecentdevelopmentsconcerningon-chiphybridsiliconmicrolasersandWDMtransmitters,andsiliconphotonicswitchfabricsforintra-datacenters.ForhybridsiliconmicrolasersandWDMtransmitters,weoutlinetheremainingchallengesandkeyissuestowardrealizinglowpowerconsumption,directmodulation,andintegrationofmultiwavelengthmicrolaserarrays.Forsiliconphotonicswitchfabrics,wereviewvarioustopologiesandconfigurationsofhigh-port-countN-by-NswitchfabricsusingMach–Zehnderinterferometersandmicroringresonatorsasswitchelements,anddiscusstheirprospectstowardpracticalimplementationswithactivereconfiguration.Forthemicroring-basedswitchfabrics,wereviewrecentdevelopmentsofactivestabilizationschemesatthesubsystemlevel.Last,weoutlineseverallargechallengesandproblemsforsiliconandhybridsiliconphotonicstomeetforintra-datacenterapplicationsandproposepotentialsolutions.

简介：有一个动态航行领域的一个扩大社会力量模型被建议学习双向步行运动。动态航行领域被介绍描述步行运动源于行人的决策过程的需要的方向。用扩大模型获得的宏观的基本的图对基于照相机的观察被验证。数字结果证明这个扩大模型能在步行交通复制集体现象，例如动态多线道流动和稳定的分开小巷的流动。行人路径选择行为显著地影响拥挤的概率和自我组织的小巷的数字。