資源描述:
《高功率鐿鉺共摻雙包層光纖放大器的研究》由會員上傳分享,免費在線閱讀,更多相關內(nèi)容在學術論文-天天文庫。
1、北京交通大學碩士學位論文高功率鐿鉺共摻雙包層光纖放大器的研究姓名:翟璐瑤申請學位級別:碩士專業(yè):光學工程指導教師:吳重慶20081201jb立變通太堂硒±堂包i金塞△旦墨IB△£IABSTRACTABSTRACT:Accompanyingtherapiddevelopmentofopticalcommunication,theopticaldirectamplifierswithhighgainisalwaystheobjectofopticalcommunicationsystem.Theconventionalopticalamplif
2、iersuchasEr-”DopedFiberAmplifier(EDFA)hasagainmediumwithsinglemodefiber,whichalsowantapumpsourcewithsingle—modelaser,whilethecouplingareaisSOsmallthatthepumpefficiencyandgainarelow.Tosolvethisproblem,claddingpumptechnologiesarewidelyapplied.Highpowerdouble—cladfiberamplifi
3、erissuitableforWDM,fiberCATVsystemandspacelasercommunication.Er3+/yb”Co—dopeddouble-cladfiberamplifier(EYDFA)hasmanyadvantageswhichbecomesoneofthecorecomponentsinthehigh-speedtransmissionsystem.Theresearchachievmentsaccomplishedaboutdouble—cladfiberamplifierbyauthersandpro
4、gresshomeandabroadisintroducedinthispaper.Thestructuresoffiberwithdoublecladdingareproposed,andthestudyontheanalysisthetransmissioncharacteristicsarealsoproposed;BasedonEr+/Yb”Co-dopeddouble-cladfiberamplifierbasictheory,energylevelstructureandspectralproperties,theanalyza
5、tionofenergyleveltransitionandrateequationsinEYDFAisstudiedinthispaper.Influenceonthecharacteristicofamplifierbetweendifferentparametersisalsostudiedwhichprovidetheproofofexperimentaldesign.ThispapermadethepowersupplyandtemperaturecontrolofpumpingsourceintheEYDFAsystem.The
6、P-Icurvehasbeeninvestigated,andtheintegrationprocessofsystemisalsoillustrated.Experimentalstudyonthegaincharacteristicsoftheself-designeddouble-cladfiberamplifierisproposed.KEYWORDS:Double··cladfiber;Erbium·,ytterbiumCo··doped;High·-power;PumpSource;FiberAmplifier獨創(chuàng)性聲明本人聲明
7、所呈交的學位論文是本人在導師指導下進行的研究工作和取得的研究成果,除了文中特別加以標注和致謝之處外,論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果,也不包含為獲得北京交通大學或其他教育機構的學位或證書而使用過的材料。與我一同工作的同志對本研究所做的任何貢獻均已在論文中作了明確的說明并表示了謝意。學位論文作者簽名:簽字日期:年月日學位論文版權使用授權書本學位論文作者完全了解北京交通大學有關保留、使用學位論文的規(guī)定。特授權北京交通大學可以將學位論文的全部或部分內(nèi)容編入有關數(shù)據(jù)庫進行檢索,并采用影印、縮印或掃描等復制手段保存、匯編以供查閱和借閱。同
8、意學校向國家有關部門或機構送交論文的復印件和磁盤。(保密的學位論文在解密后適用本授權說明)學位論文作者簽名:導師簽名:簽字日期:年月日簽字日期:年月日致謝本論文的工作是在我的導師