基于微纳光纤环和侧边抛磨光纤耦合的上下载滤波器-研究

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1、AbstractInthefieldofopticalfibercommunication,opticaladd-dropfilterisanimportantall-opticaldevices,anditsmainfunctionis,thereceptionandsomeofthespecificwavelengthchannelstransmittedfromthegroundtoselectivelytransmitlightpathuploadanddownloadlocally,whilenotaffectothertransmissionwavelength

2、channel.Inordertoachieveall-opticalcommunication,peopleoftenneedopticaldeviceswithstructureofmoresimpler,smallerandstableperformance.Add-dropfilterbycouplingbetweenmicro-/nano-fiberringandsidepolishedfiberjusthasthischaracteristicsofmicro-/nano-fiberringwhichhasasimplestructure,function,sm

3、allvolumeandsoon.Recently,avarietyofmicro-nanoopticaldeviceswithcontinuedtobereported,theopticalsystembasedonmicro-nanofibersaspossible,buttheproblemofmicro-nanofiberopticconnectionsystemsandconventionalfiberopticsystemisoneofthebottlenecksintheapplicationofmicro-nanofibersystem.Inpractice

4、,themicro-nanofiberwithaconventionalfiber-opticsystemsrequired(communicationorsensor)connectedtothesystem,andthustheeffectivemicro-andnanofibercouplingsystembetweenaconventionalfiber-opticsystemhasbecomeoneofthekeymicro-nanofibersystemapplications.Asadd-dropfilterbycouplingbetweenmicro-/na

5、no-fiberringandsidepolishedfiberdon’thaveadditionaldesigncoupledwithstandardopticalfiber,soitprovidesamoresimpleandeffectivesolutiontoconnectmicro-nanofibersystemwithexistingopticfiberinterconnectionsystems.Anewmethodthatcombinedthemannerofhand-drawnbythekerosenelampheatingwiththemannerofm

6、echanicaldrawingbythesteppingmotorhasbeenputforwardexperimentalinthispaper.First,wehaveobtainedexcellentevennessMNFoflengthof20~100mmanddiameterof1~5mbythemethodofmanuallydrawing,thenknotthedrawnMNFbythethree-dimensionaltranslationstagewhichwasdrivenbythesteppingmotortoformaring.Becauseof

7、theringcanbeaccuratelyadjustedbythesteppingmotor,theresonantfrequencyoftheringhasalargecontrollability.UsingthismethodwehavefabricateddifferentparametersofMNFIIIringwhichtheMNFdiameterwas1~5mandtheringdiameterwas100~900msuccessfully,andthetestspectrumshowedt