资源描述：
《hybriddualwedgeplasmonicwaveguidewithlong-range》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Hybriddualwedgeplasmonicwaveguidewithlong-rangepropagationandsubwavelengthmodeconfinementWenchengYue,PeijunYao*,XiaolinChen,andRunxiaTaoDepartmentofOpticsandOpticalEngineering,UniversityofScienceandTechnologyofChina,Hefei230026,ChinaE-mail:yap@ustc.edu.cnAbstract:
2、Weproposeahybriddualwedgeplasmonic(HDWP)waveguideconsistingoftwodielectricwedgesandadiamondmetalwire.Thecouplingbetweendielectricwedgewaveguidemodeandlong-rangsurfaceplasmonpolaritonmoderesultsinbothlowpropagationlossandultra-deep-subwavelengthconfinement.TheHDWPw
3、aveguideachievesanormalizedmodeareaof2.9´10-3withamoderatepropagationlengthof532μmorapropagationlengthof3028μmwithanormalizedmodeareaof6.2´10-3.WestudytheimpactsofpossiblefabricationimperfectionsonthemodepropertiesandtheresultsindicatethattheHDWPwaveguideisquiteto
4、leranttofabricationerrors.PACS:42.79.Gn,78.67.-n,71.45.GmKeywords:Waveguide,surfaceplasmonpolariton,photonicintegratedcircuits具有长程传播和亚波长模式局域性的混合双楔形等离子体波导岳文成,姚培军*,陈小林,陶润夏中国科学技术大学，光学与光学工程系，安徽合肥230026邮箱:yap@ustc.edu.cn摘要：我们提出一个混合双楔形等离子体波导，该波导由两个楔形介质波导和一个菱形金属线组成。电介质楔形
5、波导模式和长程表面等离子体模式的耦合使得该波导可以获得低损耗的传播和超深的亚波长的模式局域性。混合双楔形等离子体波导在得到一个532微米的传播长度的同时可以得到一个2.9´10-3的超小的归一化模式面积或者在得到一个6.2´10-3的归一化模式面积的同时可以得到一个3028微米的超长的传播距离。此外，我们还研究了制作过程中可能存在的误差对该波导模式性质的影响。计算结果表明该混合双楔形等离子体波导具有一定的制作容差性。关键词：波导，表面等离子体，光子集成电路中图分类号：O439文献标识码：Ai.IntroductionThe
6、miniaturizationandhigh-integrationdensityofphotonicintegratedcircuits[1]havealwaysbeenasignificantresearchsubjectthatattractsmanyresearchers.Surfaceplasmonpolariton(SPP)waveguideisviewedasoneofthemostpromisingcandidatesforlarge-scalephotonicintegrateddevices,owing
7、toitsuniquecapabilitiesofbreakingthediffractionlimitandprovidingtightlightconfinementindeepsubwavelengthscale[2-4].ManywaveguidestructuresbasedonSPPhavebeenproposedandstudied,suchasmetalslotSPPwaveguides[5-8],V-groovechannelSPPwaveguides[9-11],andwedgeSPPwaveguide
8、s[12-16].TheseSPPwaveguidescouldoffertightconfinementoflightbutsufferenormouspropagationlossduetothemetallicohmicloss[17].Inordertoimprovethetrade-offbe
