摘要
Cavity-coupledplasmonicstructureisdemonstratedtobeasimpleandeffectivetooltomanipulatelight,enhancethebiosensingfigureofmerit,andcontrolthepolarizationstate.InthisLetter,wedemonstratethetunabilityofthechiropticaleffectofcavity-coupledchiralstructure,i.e.,sandwichchiralmetamaterials(SCMs),inwhichradiationcouplingdominatestheinteractionbetweenparticles.TwotypesofSCMswhosebuildingblocksare3Dchiraland2Dchiral,respectively,arenumericallystudied.Distinctresponsesareobservedinthesetwomaterials.Thechiropticaleffectcanbeeffectivelymanipulatedandenhancedinthe2Dcase,whiletheSCMsconsistingof3Dchirallayerskeepthechiropticaleffectaconstant.Atheoreticalanalysisbasedonmatrixopticsisdevelopedtoexplainthecorrespondingphenomena,whichgivesareasonableagreementwithnumericalsimulations.
出版日期
2016年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
