GettingStartedMODERelease6.5Solutions1Contents©2003-2013LumericalSolutions,IncTableofContentsPartIGettingStarted2PartIIIntroduction5............................................................................................................61WhatisMODE?............................................................................................................82MODESolutionsGUI............................................................................................................103Runningsimulations............................................................................................................134AnalyzingsimulationdataPartIIILargeModeAreaPhotonicCrystalFiber17............................................................................................................181Discussionandresults............................................................................................................232ModelinginstructionsPartIVARROWwaveguide32............................................................................................................331Discussionandresults............................................................................................................372ModelingInstructionsPartVPlasmonwaveguide45............................................................................................................461Discussionandresults............................................................................................................502ModelingInstructionsPartVIRingresonator(designandinitialsimulation)58............................................................................................................591Discussionandresults............................................................................................................652ModelinginstructionsPartVIIRingresonator(parameterextractionandyieldanalysis)75............................................................................................................761Discussionandresults............................................................................................................812ModelinginstructionsGettingStarted2©2003-2013LumericalSolutions,Inc1GettingStartedWelcometotheMODESolutionsGettingStartedGuide.TheabilityofMODESolutionstoaccuratelymodelcomplexwaveguidegeometriesprovidestheuserwiththeflexibilityneededtodesignandanalyzeawiderangeofindustrialinterestingdevices,including:micro-structuredopticalfibersphotoniccrystalfiberscoaxialBraggfibersplanarintegrated-opticalwaveguidesandsensorsTheGettingStartedGuideprovidesseveraltutorialswithstepbystepinstructionsonhowtosolveanumberofrealisticproblems.AnintroductiontothebasicfunctionalityofMODESolutionsisgivenfollowedbyapplicationspecificexamples.Allsimulationandscriptfilesusedinthetutorialsareavailablefordownload.Additionally,thefilescanbefoundintheExamplesfolderoftheinstallationdirectory.Notethatforalloperatingsystems,youmustsaveacopyofthefileinanotherlocationbeforetheycanbemodifiedorrun.Filesintheinstallationdirectoryareread-only.EigenmodesolverTutorialsPhotonicCrystalFibresTheLargeModeAreaPCfibertutorialshowshowtouseMODESolutionstostudyaphotoniccrystalfiber(PCF).Usingthebuilt-inanalysistools,wewillcalculatetheeffectiveindexanddispersionofthePCFestimatehowefficientlylightcanbecoupledintothePCFcalculatehowmuchlosscanresultfrombendingthefiber17GettingStarted3©2003-2013LumericalSolutions,IncARROWwaveguidesIntheARROWwaveguideexample,wewilluseMODESolutionstostudyamultilayerplanarwaveguidethattakesadvantageoftheAnti-ResonantReflectingOpticalWaveguide(ARROW)structure.ThistutorialshowshowtoaddmaterialstothematerialdatabaseusethemeshorderpropertytodistinguishtwooverlappingmaterialsmeasurethepropagationlossasafunctionofoperatingwavelengthSurfaceplasmonsInthistutorial,thePlasmonwaveguidewillbestudiedbyMODESolutionsbysimulatingsurfaceplasmonmodes.Wewilluseanon-uniformmeshtomoreaccuratelyresolvethefieldsnearthemetalinterface.Theuserwilllearnto:CreateanewmaterialUsesymmetricboundaryconditionsUsemeshoverrideregionstocreateanon-uniformmeshUseabuiltinparametersweeptogettheeffectiveindexandlossvs.thicknessofthewaveguideCombinedEigenmodesolverand2.5DFDTDPropagatorTutorialsRingresonator(designandinitialsimulation)TheexamplewillshowhowtodesignandsimulateaRingResonator.Wewillusethesoftwaretoachieveadesiredfreespectralrange(FSR)andqualityfactor(Qfactor)forasilicononinsulator(SOI)basedwaveguidedesigntargetingon-chipcommunicationapplications.Theuserwilllearnto:InsertaringresonatorobjectfromthecomponentslibraryUsetheEigenmodeSolvertochoosethewaveguidespacing,couplinglengthandringlengthforthedesiredFSRandQfactorCompareresultswiththetheoreticaldesignand3DFDTDresults324558GettingStarted4©2003-2013LumericalSolutions,IncRingresonator(parameterextractionandyieldanalysis)ThisexamplewillusetheinitialdesignintroducedinRingResonator(designandinitialsimulation)toperformadditionalanalysiswithPropagatorfeatures.Theuserwilllearnto:UseModeExpansionMonitorstoextracttheparametersforinterfacin