简介：Anoverviewoftheprogressonpulse-preserving,coherent,nonlinearfiber-basedsupercontinuumgenerationispresented.Thecontextencompassesvariouswavelengthrangesandpumpsources,startingwithsilicaphotoniccrystalfiberspumpedwith1.0μmfemtosecondlasersuptochalcogenidestep-indexandmicrostructuredfiberspumpedfromopticalparametricamplifierstunedtomid-infraredwavelengths.Inparticular,silicaandsilicatebasedall-normaldispersion(ANDi)photoniccrystalfibershavebeendemonstratedforpumpingwithfemtosecondlasersoperatingat1.56μmwiththerecordedspectracovering0.9–2.3μm.Thismatchesamplificationbandsofrobustfiberamplifiersandfemtosecondlasers.Thereviewthereforefocusesspecificallyonthiswavelengthrange,discussingglassandnonlinearfiberdesigns,experimentalresultsonsupercontinuumgenerationuptothefundamentallimitofoxideglassfibertransmissionaround2.8μm,andvariouslimitationsofsupercontinuumbandwidthandcoherence.Specifically,theroleofnonlinearresponseagainsttheroleofdispersionprofileshapeisanalyzedfortwodifferentsoftglassANDifiberspumpedatmorethan2.0μm.Aspatio-temporalinteractionofthefundamentalfibermodewithmodespropagatinginthephotoniclatticeofthediscussedANDifibersisshowntohavepositiveeffectsonthecoherenceofthesupercontinuumatpumppulsedurationsof400fs.Finally,thedesignanddevelopmentofgraded-index,nanostructuredcoreopticalfibersarediscussed.Insuchstructuresthearbitraryshapingofthecorerefractiveindexprofilecouldsignificantlyimprovetheengineeringflexibilityofdispersionandeffectivemodeareacharacteristics,andwouldbeaninterestingplatformtofurtherstudytheintermodalinteractionmechanismsandtheirimpactonsupercontinuumcoherenceforsubpicosecondlaserpumpedsetups.

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简介：这份报纸考虑为一个关上的线性量系统构造一个直接联合量观察员的问题。建议分布式的观察员由观察员网络在一时间收敛到一致，这平均的振荡器和它被显示出的量泛音的一个网络组成观察员的每个元素在估计量工厂的指定输出的感觉。一个例子和模拟被包括说明观察员网络的性质。

简介：Weexperimentallydemonstratethenonlinearinteractionbetweentwochirpedbroadbandsingle-photon-levelcoherentstates.EachchirpedcoherentstateisgeneratedinindependentfiberBragggratings.Theyaresimultaneouslycoupledintoahigh-efficiencynonlinearwaveguide,wheretheyareconvertedintoanarrowbandsinglephotonstatewithanewfrequencybytheprocessofsum-frequencygeneration(SFG).AhigherSFGefficiencyof1.06×10-7isrealized,andthisefficiencymayachieveheraldingentanglementatadistance.Thisalsomadeitpossibletorealizelong-distancequantumcommunication,suchasdevice-independentquantumkeydistribution,bydirectlyusingbroadbandsinglephotonswithoutfiltering.

简介：水库工程是在量控制和信息技术过去常描述操作一个开的量系统在以内操作的环境的条款。水库工程在存储量信息被要求的应用是必要的。从控制理论观点，一个量系统能够如果它拥有所谓的decoherence，存储量信息免费分系统(DFS)。这份报纸探索杆放置技术便于经由协调的量反馈的免费分系统控制的decoherence的合成。我们讨论常规开的环途径的限制并且为decoherence建议建设性的反馈设计方法论免费分系统工程。它捕获与decoherence允许系统的相当一般的动态协调反馈结构从没有如此的模式的部件要综合的免费模式。

简介：Stimulatedemissiondepletion(STED)microscopyisoneoffar-fieldopticalmicroscopytechniquesthatcanprovidesub-diffractionspatialresolution.ThespatialresolutionoftheSTEDmicroscopyisdeterminedbythespeciallyengineeredbeamprofileofthedepletionbeamanditspower.However,thebeamprofileofthedepletionbeammaybedistortedduetoaberrationsofopticalsystemsandinhomogeneityofaspecimen’sopticalproperties,resultinginacompromisedspatialresolution.Thesituationgetsdeterioratedwhenthicksamplesareimaged.Intheworstcase,theseveredistortionofthedepletionbeamprofilemaycausecompletelossofthesuperresolutioneffectnomatterhowmuchdepletionpowerisappliedtospecimens.Previouslyseveraladaptiveopticsapproacheshavebeenexploredtocompensateaberrationsofsystemsandspecimens.However,itisdifficulttocorrectthecomplicatedhigh-orderopticalaberrationsofspecimens.Inthisreport,wedemonstratethatthecomplicateddistortedwavefrontfromathickphantomsamplecanbemeasuredbyusingthecoherentopticaladaptivetechnique.Thefullcorrectioncaneffectivelymaintainandimprovespatialresolutioninimagingthicksamples.

简介：背叛graphene比graphene有更重要的实际意义。银nanoparticles能修改背叛graphene的光性质。我们在场此处，关于在石头威尔士(SW)的量电浆子的协调回声的详细理论分析背叛了由使用时间依赖者密度的graphene银nanowire混血儿系统功能的理论。协调效果主要是的电浆子归因于在石头威尔士之间联合背叛graphene和银nanowires的电磁的地。作为结果，混合系统的光反应展出显著改进。电浆子回声，取决于极化并且可选的调节，在宽频率区域被提高。而且，它表明一个光吸收系列的回声频率取决于SW的空格配置在混合系统的背叛graphene。这调查提供在一台基于graphene的光电的设备使用的电浆子改进效果的更好的理解。学习也提供检测在graphene存在的缺点的一个有效工具。

简介：我们为创造在在超导的流动qubit附近放的二个分开的氮空缺中心旋转整体之间的宏观的纠缠的协调状态建议一个潜在地实际的计划。通过集体磁性的联合并且在里面流动qubit的situtunability，旋转整体的任意的纠缠的协调状态能从流动qubit和旋转整体的decoherence在影响下面与高成功可能性被完成。试验性的可行性和挑战用当前可得到的技术被认为正当。