预览加载中，请您耐心等待几秒...

一种对称混合长程表面等离子激元波导传输特性研究(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

一种对称混合长程表面等离子激元波导传输特性研究(英文) Title:StudyontheTransmissionCharacteristicsofSymmetricHybridLong-RangeSurfacePlasmonPolaritonWaveguides Abstract: Thefieldofplasmonicshasgainedsignificantattentioninrecentyearsduetoitspotentialapplicationsinnanoscaleopticaldevicesandintegratedcircuits.Inparticular,theresearchonlong-rangesurfaceplasmonpolaritons(LR-SPPs)hasprovidedapromisingplatformforhigh-speedandlow-losssubwavelengthwaveguides.ThispaperfocusesonthestudyoftransmissioncharacteristicsofasymmetrichybridLR-SPPwaveguide. 1.Introduction Plasmonicsisanemergingfieldthatexplorestheinteractionbetweenlightandmetalnanostructures,leadingtotheformationofsurfaceplasmonpolaritons(SPPs).TheguidingofSPPsalongthesurfaceofmetalsenablestheintegrationofphotonicswithnanoscaleelectronicdevices.Varioustypesofwaveguideshavebeeninvestigated,includingmetal-insulator-metal(MIM),dielectric-loadedsurfaceplasmonpolariton(DLSPP),andhybridLR-SPPwaveguides.Amongthem,thesymmetrichybridLR-SPPwaveguidehasattractedsignificantattentionduetoitsuniqueproperties,suchaslongerpropagationdistanceandlowerlosscomparedtoothertypesofwaveguides. 2.AnalysisofSymmetricHybridLR-SPPWaveguide ThesymmetrichybridLR-SPPwaveguideconsistsofametalstripplacedbetweentwodielectricmaterialswithdifferentrefractiveindices.Thisstructureformstwometal-dielectricinterfaces,whichsupportthepropagationofLR-SPPs.Thetheoreticalanalysisofthewaveguideincludesthecalculationofdispersionrelation,modefieldprofile,andtransmissioncharacteristics. 3.DispersionRelationAnalysis ThedispersionrelationdescribestherelationshipbetweenthepropagationconstantandthewavelengthoftheLR-SPPmodessupportedbythewaveguide.Thedispersionrelationcanbecalculatedusingtheboundaryconditionsandtheelectromagneticwaveequations.ThedispersionanalysisprovidesinsightsintotherangeofwavelengthsandpropagationconstantsatwhichtheLR-SPPmodescanbesupported. 4.ModeFieldProfileAnalysis Themodefieldprofiledescribesthedistributionofelectricfieldintensityalongthecross-sectionofthewaveguide.Themodefie