基于微纳光纤环与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,whil

2、enotaffectothertransmissionwavelengthchannel.Inordertoachieveall-opticalcommunication,peopleoftenneedopticaldeviceswithstructureofmoresimpler,smallerandstableperformance.Add-dropfilterbycouplingbetweenmicro-/nano-fiberringandsidepolishedfiberjusthasthis

3、characteristicsofmicro-/nano-fiberringwhichhasasimplestructure,function,smallvolumeandsoon.Recently,avarietyofmicro-nanoopticaldeviceswithcontinuedtobereported,theopticalsystembasedonmicro-nanofibersaspossible,buttheproblemofmicro-nanofiberopticconnecti

4、onsystemsandconventionalfiberopticsystemisoneofthebottlenecksintheapplicationofmicro-nanofibersystem.Inpractice,themicro-nanofiberwithaconventionalfiber-opticsystemsrequired(communicationorsensor)connectedtothesystem,andthustheeffectivemicro-andnanofibe

5、rcouplingsystembetweenaconventionalfiber-opticsystemhasbecomeoneofthekeymicro-nanofibersystemapplications.Asadd-dropfilterbycouplingbetweenmicro-/nano-fiberringandsidepolishedfiberdon’thaveadditionaldesigncoupledwithstandardopticalfiber,soitprovidesamor

6、esimpleandeffectivesolutiontoconnectmicro-nanofibersystemwithexistingopticfiberinterconnectionsystems.Anewmethodthatcombinedthemannerofhand-drawnbythekerosenelampheatingwiththemannerofmechanicaldrawingbythesteppingmotorhasbeenputforwardexperimentalinthi

7、spaper.First,wehaveobtainedexcellentevennessMNFoflengthof20~100mmanddiameterof1~5mbythemethodofmanuallydrawing,thenknotthedrawnMNFbythethree-dimensionaltranslationstagewhichwasdrivenbythesteppingmotortoformaring.Becauseoftheringcanbeaccuratelyadjustedb

8、ythesteppingmotor,theresonantfrequencyoftheringhasalargecontrollability.UsingthismethodwehavefabricateddifferentparametersofMNFIIIringwhichtheMNFdiameterwas1~5mandtheringdiameterwas100~900msuccessfully,andthetestspectrumshowedt