資源描述：
《二維光子晶體耦合腔波導結構與慢光特性分析》由會員上傳分享，免費在線閱讀，更多相關內(nèi)容在行業(yè)資料-天天文庫。
1、萬方數(shù)據(jù)江蘇大學碩士學位論文ABSTRACTSincetheconceptofphotoniccrystalisbroughtup，itoffersmuchmoreandbetterchoicesforall—opticalbufferdevice．Inordertoobtainexcellentcacheperformanceandpracticalscheme，utilizingphotoniccrystalwaveguidetoimplementall—opticalbufferdeviceplaysaveryimp
2、ortantroleindevelopingall—opticalnetwork．Becauseoftheuniquenano—structure，attractiveslowlightpropertiesandroom-temperatureoperation，theopticalbufferbasedonphotoniccrystalwaveguidehascapturedmoreandmoreattentionofresearchers．Comparedwithphotoniccrystallinedefectwav
3、eguides，thephotoniccrystalcoupled-cavitywaveguidehasanattractivefeatureofslowlightwithveryflatbandandsmallgroupvelocity,whichCanbeappliedasopticaldelaylinesandopticalbuffers．Thisdissertation，mainlyconductsthoroughresearchonthepropertiesofslowlightinphotoniccrystal
4、coupled-cavitywaveguide．Wedesignanumberofdifferentstructuralmodels———_thesinglecavity,complexcavityandhalf-periodcavitymodels．Throughofanalysisandcomparison，wefinallyascertainthehalf-periodstructurepossessestheoptimumslowlightperformance．Themajorworkandinnovationo
5、fthepaperincludesthefollowing．1Weestablishthreevariouscavitiesbasedontheconventionalsquarestructure．Fourdifferenttypesofsinglecavitymodelswhoseslowlightcharactersaleinfluencedbythedistancebetweentwocavitiesareinvestigated．Theresultofstudyfoundthat：(1)Themaximumgro
6、upvelocitiesofcavitiesarelinearlydecreasedasthedistancebetweentwocavitiesincreases．WhenL=3a,themaximumgroupvelocityisonlyaround10～C．ThenincreaseLto6a,itCanreducethreeorderofmagnitudeof(2)ThedistributionsofdielectricrodswhichCanexertagreaterimpactontheparametersofs
7、lowlightincoupledcavitiesbasedon3x3squarelatticeareconfirmed．Whenadjiustingtheradiusofcentralrodortheedgerodsinsecondcolumn，thepropertiesofslowlightarelargerchange．2Thestructuresofcomplexcavityalebuilt．ThroughalteringthedistributionsofIII萬方數(shù)據(jù)二維光子晶體耦合腔波導結構及慢光特性研究di
8、electricrodsinwaveguidesystem，wesimulatetheslowlightparametersofthecomplexcavitieswhichutilizethecombinationofsquarecavityandtheotherstructures．Simulati
