一种基于TFF的50GHz平顶型可调谐光滤波器-豆柴文库

您所在位置：网站首页 / 一种基于TFF的50GHz平顶型可调谐光滤波器.docx / 文档详情

在线预览结束，喜欢就下载吧，查找使用更方便

5 金币

下载文档

/ 2

下载提示

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

文本预览

一种基于TFF的50GHz平顶型可调谐光滤波器
Title:A50GHzFlat-topTunableOpticalFilterbasedonTFF
Abstract:
Inrecentyears,therehasbeenagrowingdemandforefficientandversatileopticalfilteringdevicesinvariousapplicationssuchashigh-speedopticalcommunicationsystems,wavelengthdivisionmultiplexing,andspectroscopy.Thispaperproposesanovel50GHzflat-toptunableopticalfilterbasedontheTemporalFocusingFilter(TFF)technique.Thefilterdesign,itsoperatingprinciple,andtheexperimentalresultsarepresented,demonstratingitspotentialforhigh-performanceopticalfilteringapplications.
1.Introduction
Opticalfiltersplayacrucialroleinshapingthespectralcharacteristicsofopticalsignals.Theadvancementofopticalcommunicationsystemsandtheincreasingneedforhigh-speeddatatransmissionhaveescalatedthedemandforefficientandtunableopticalfilters.Flat-topfilters,withtheiruniformtransmissionresponseoveradesiredpassband,areparticularlyusefulforwavelengthdivisionmultiplexed(WDM)systems.ThispaperproposesanoveltunableopticalfilterbasedontheTemporalFocusingFilter(TFF)technique,operatingatacentralwavelengthof50GHz.
2.DesignPrinciples
Theproposed50GHzflat-toptunableopticalfilterutilizestheTFFtechnique,whichusestime-reversalofatemporallyfocusedopticalpulseforfiltering.Thedesigncomprisesaninputfibercoupler,adispersioncompensationfiber,andanoutputfibercoupler.Theinputpulseistemporallyfocusedwithinthedispersioncompensationfiber,resultinginspectralbroadening.Bycarefullyselectingthedispersionparametersofthecompensationfiber,thespectralphasemodulationcanbeoptimizedtoachieveaflat-topresponsewithinthedesiredbandwidth.
3.ExperimentalSetup
Theexperimentalsetupconsistsofatunablelasersource,twopolarizationcontrollers,aninputfibercoupler,adispersioncompensationfiber,anoutputfibercoupler,andanopticalspectrumanalyzer.Thetunablelasersourceprovidesanarrowbandopticalpulsecenteredat50GHz.Thepolarizationcontrollersensureproperpolarizationalignment,andtheinputandoutputfibercouplerscouplethelightinandoutofthefilter.Theopticalspectrumanalyzermeasuresthefilter'sspectralr