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ID:33083563
大小:5.32 MB
页数:57页
时间:2019-02-20
《二维光子晶体波导能带结构与慢光特性-研究》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、』E噩垡堡厶芏型!j:坐位监童△g§!丝△£』ABSTRACTABSTRACT:ControllingthespeedoflighthasbecomeahottopicinthefieldofopticsSlowlightabstractswidespreadattentionbecauseofitsapplicationsinopticaldelayline,all·opticalbuffer,opticalcommunicationsandotherareasComparedtotraditionaloptic
2、altechnologytheslowlighlinphotoniccrystaldefectwa、
3、eguidedependsentirelyOHwaveguidcslructure,anditCallbeformedatroomtemperature,resultinaverylowgroup、elocit,vsoilprovidesopportunitiesfortheintegratedandsinailetoploe[ectronicde、icesThispaperdeeplyanalyzesthestr
4、uctureandpropertiesoftwo—dimensionalphotoniccrystal、va、eguideI_hemainworkdoneasfollows:{I)Takingtwo—dimensionalsquarelatticeandtwo-dinlensiona[triangularlatticeforexampleitcalculateshandstrnctLireofperfoclphotoniccryslalusingPWFandusesMPBtoanalyzethetielddistz
5、ibuPonolc、crvbandillfoeformationprocessofbandstrHctureWecanseethatfoefieldhassomcrequirementsonthesymmetryolthephotoniccDstalstructllrc(!lItanalyzestheStFLICLLJ[colpbtltouicciystalwa、egutde、v川1asingleIinedefizctTakingf‘-o—dimensionaltriaugtdarlattice‘-ateguide
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7、icconstan[,dielectriccylinderradiusreb'acti、eindexanddelectlocation,itgivestheresultthatthe[hndamental[hctotaffectinggroupvelocityisthechangeofdcl'cclfrequencyBasedonabo;'elheihcory“photoniccrystalwa、eguidcparametersareoptimized.andgroup、elocityc:l[ibeadjusted
8、toO01【alroomtemperature(3)Bytheanalysisolasingledelbclca~ityandcoupicdtratlsnlissioncharacterislicsofconventfonaluaveguideandphotoniccrystalv.aveguideitoptimizestheoriginalstrUClureoltwo—deloctcoupledⅫeguidewitbthesymmetricsingle-defoctThestogiedetectivepartis
9、adjustedtoasymmetry,andtheairholeisnotdeternfined【Ianalyzestheeftoctofdif6:rcntJ玑"valuesonqualityPactor.resonancefrequencyandresonancetransmissionratesandfindsthatⅢ=3isfoeoptimalin
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