摘要
High-dimensionalentanglementisavaluableresourceforsecureandefficientquantuminformationprocessing.Amajorchallengeforpracticaluseofmultidimensionalquantumsystemsistheestablishmentofcontrolsoverarbitrarysuperpositionstatesinrealisticconditions.Thisworkdemonstratesspatiallyentangledphotonpairspropagatingthroughtwoseparatefour-coreopticalfiberswiththeamplitudesandphasesofthesuperpositionbeingindependentlycontrollable.Usingquantumstateanalyzersthatcandetectarbitrarymulticoresuperpositionstates,Bell-typeCGLMPinequalitiesintwo,three,andfourdimensionsaredirectlytested.Enhancedviolationoftheinequalitybyslightnonmaximalityofentanglementisalsodemonstrated.
出版日期
2019年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
