预览加载中，请您耐心等待几秒...

基于量子干涉消除量子点纠缠光子源时间关联的研究（英文）.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

基于量子干涉消除量子点纠缠光子源时间关联的研究（英文） ResearchonEliminatingTimeCorrelationsinQuantumDot-EntangledPhotonSourcesbasedonQuantumInterference Abstract: Quantumdot-entangledphotonsourceshaveemergedasapromisingplatformforvariousquantumtechnologies,includingquantumcommunicationandquantumcomputing.However,thetimecorrelationsbetweenphotonsemittedbyquantumdotsourceslimittheirpracticalapplications.Inthispaper,weexplorethefeasibilityofeliminatingtimecorrelationsinquantumdot-entangledphotonsourcesusingquantuminterference.Wepresentacomprehensivestudyonthecurrentchallengesandpotentialsolutionstoachievethisgoal. 1.Introduction Quantumdot-entangledphotonsourcesplayapivotalroleinthefieldofquantuminformationduetotheirabilitytogenerateentangledphotonpairs.Theseentangledphotonspossessnon-classicalcorrelationsthatcanbeutilizedforquantumcommunicationprotocolslikequantumkeydistributionandteleportation.However,thephotonsemittedbyquantumdotsoftenexhibitundesiredtimecorrelations,whichhindertheirapplicationsinpracticalscenarios.Thesetimecorrelationsariseduetothestochasticnatureofquantumdotemissionprocesses.Inthispaper,weinvestigatenovelapproachestoeliminatesuchtimecorrelations,thusenhancingtheperformanceandapplicabilityofquantumdot-entangledphotonsources. 2.Timecorrelationsinquantumdot-entangledphotonsources Theprimaryconstraintofquantumdot-entangledphotonsourcesisthetemporalcorrelationbetweentheemissiontimesofentangledphotonpairs.Thiscorrelationarisesfromthemutualinteractionbetweenthequantumdotsandtheirsurroundingenvironments.Theemissiontimedifferencebetweenthephotonpairslimitsthecoherencetimeandimposesrestrictionsonefficientquantumcommunicationandquantuminformationprocessing.Moreover,thetimecorrelationalsoaffectstheefficiencyofphotoncollectionandentanglementdetection.Therefore,itiscrucialtoinvestigatemethodstoeliminateorminimizethesetimecorrelations. 3.Quantuminterferenceforeliminatingtimecorrelations Quantuminterferenceprovidesapotentialsolutionfortheeliminationoftimecorrelationsinquantumdot-entangled