光子晶格带隙结构的实验分析与理论模拟

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1、内蒙古堕薹奎兰堡主兰焦笙窒一一‘——————————————————————————一broadeningwerestudiedinthisarticlefirstly．Predecessorshayedonesomeworkinthisrespect，theyfirstmeasuredthetransmissionpowerofhght，thenusedthese丘gurestodrawlatticebandgap．Thispapermeasuredthediffractionoflightpowernumericalofphotoniccrystallatticeforthe胁‘time，

2、thendrawthediffractionefficiencyofbandgap，thismethodtheresultsmoreaccurateandeffective．Inthisarticlephotoniccrystal’sdlffractlonefficiencvbandgapofsystemicwereresearched．Inthelab，bychangingtheamplitudemaskholenuHlber，holespacingandotherexperimentaIconditions,thenstudvthephotoniccrystallattice’sthedi

3、ffractionefficiencyofbandwldthproblem．UsingnumericalsimulaionsoftwaretodrawimagegaVeaVerYgoodtheoreticalexplanation·．2．Broadeningof-Dphotoniccrystallattice，usingfourierinterterencetomakeatwo—dimensionalphotoniccrystallattice，thenmeasurethedi陆actionofli曲tpowermethod，usediffractionopticalpowervalue,dr

4、awthephotoniccrystallatticeofthediffractionefficiencyofbandgap，foundbYchangingtheamplitudemask，successinthebroadeningofthePhotonlccrystalbandgap．．3．Studvsquaretwo—dimensionalphotoniccrystalbandgappropertlesma11directions，drawthephotoniccrystallatticeofthediffractionefficiencyofbandgap，foundthequarte

5、toftwo—dimensionalphotoniccrystalbandg印basicisthesalneinalldirections，squarelatticeofthisfeaturecanbeusedtomakelargebandgapoftwodimensionalphotoniccrystallattice，haVeceIrtamapplicationvalue．一4．Studvofdefectmode，usedcrossphasemethodtomakethedefectstatesofphotoniclattice，measuredbraggbandgapofphotonic

6、crystallattlcedefectstates．Photoniccrystalbandgapappearedallowedbandaftertheintroductionoflinedefects．Thisfeatureinthephotoniccrystalfiber，cavityandphotoniccrystalwaveguidehasbroadapplicationprosPects·KEYWORDS：photoniclattice&lith．iumniobatecrystals，thediffracti。nefficiencyofbandgap，thenumericalsimu

7、laion，defectsguidedmode内蒙吉师范大学硕士学位论文目录第一章引言．．．⋯⋯⋯⋯⋯⋯⋯⋯⋯．．⋯．⋯⋯．．．11．1研究背景⋯⋯⋯⋯⋯⋯⋯⋯．．⋯⋯⋯．⋯⋯．．11．2光子晶体．⋯⋯⋯⋯⋯⋯⋯⋯⋯．．．⋯⋯⋯⋯．21．2．1光子晶体的概念⋯⋯⋯⋯⋯⋯⋯．．．⋯⋯．．．．21．2．2光子晶体中的光子带隙⋯．．⋯．．．．．．．⋯．．．⋯．．．．41．3缺陷态光子晶体和其光子带隙⋯⋯