基于SOA-XGM的OTDM-WDM復(fù)合傳輸系統(tǒng)的研究.pdf

1、lAil357學(xué)科門韭：王堂分婁號(hào)單位代m：—盟293密鈕青J名榔諺坐碧碩士學(xué)位論文^義越目：壟!旦壘二莖曼翌盟Q!里堅(jiān)』!里墮復(fù)合傳輸系統(tǒng)的研究學(xué)生姓名學(xué)號(hào)指導(dǎo)學(xué)科教師專業(yè)韓沛碩050433邵鐘浩教授光學(xué)T程研宄方向光纖通信及其接人技術(shù)論文提交日期二00八年四月南京郵電大學(xué)碩士研究生學(xué)位論文摘要AbstractNowadays，themainorientationoftheopticcommunicationsystemistoimp

2、rovethecapacityandminebandwidthpotentialofopticalfiber，thetwoespeciallyimportantwaysareWDMandOTDMTherearetwokindsofmaindataformatsintheOpticalNetworkWavelengthDivisionMultiplexing(WDM)andTimeDivisionMultiplexing(OTDM)，th

3、ereforehowtoactualizedataformatconversionsbetweenthesetwokindsofdataformatsandcombinethemintoacomplexsystemisahotspotThetechnologiesofallopticalwavelengthconverterbasedoncrossgainmodulation(XGM)insemiconductoropticalampl

4、ifier(SOA)arefocusedoninthisdiscourse，anditscharacteristicsofextinctionratiochirpandconversionefficiencyhavebeensimulatednumericallyWiththestudyonthiskindofwavelengthconverteLthedataformatconversionsbetweenWDMandOTDMarer

5、ealizedbycomputersimulationFirstlythetheoreticalanalysisofSOAopticalamplificationisgiven，whichisbasedonFabryPerotresonantcavityThegainsaturationcharacteristicofSOAwiththeinfluencefromopticalpulseistheoreticallystudiedwit

6、hSOArateequationsandpropagationtheoryofopticalpulseSecondlyamulti—sectiondynamicmodelisestablishedfortheSOA，andthecharacteristicsofextinctionratio、chirpandconversionefficiencyareanalyzedbycomputersimulationThenthewavelen

7、gthconverterisimprovedbydoubleSOAcascadetechnologyThecomparisonbetweensingle—SOAanddouble—SOAcascadeonconversioncharacteristicsisgivenFinallyawholesystemofOTDM／WDM／OTDMbasedonwavelengthconversionisdiscussedWavepatternsin

8、everynodeareanalyzed，theperformancesofWDMsignalsandOTDMsignalsareobtainedbycomputersimulation，includingtransmissionperformanceandQvalueperformance，andsomeusefulconclusionsareprovideforsystemdesignKeywords：WDMOTDMSOAWavel