简介：Thispaperproposesacircularthresholdquantumsecretsharing(TQSS)schemewithpolarizedsinglephotons.Apolarizedsinglephotonsequencerunscircularlyamonganytormoreofnpartiesandanytormoreofnpartiescanreconstructthesecretkeywhentheycollaborate.Itshowsthatentanglementisnotnecessaryforquantumsecretsharing.Moreover,thetheoreticefficiencyisimprovedtoapproach100%asthesinglephotonscarryingthesecretkeyaredeterministicallyforwardedamonganytormoreofnparties,andeachphotoncancarryonebitofinformationwithoutquantumstorage.Thisprotocolisfeasiblewithcurrenttechnology.
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