VCSOA增益特性及交叉增益調制技術的研究.pdf

1、西南交通大學碩士學位論文VCSOA增益特性及交叉增益調制技術的研究姓名：趙崢申請學位級別：碩士專業(yè)：光學工程指導教師：潘煒20050401西南交通大學碩士研究生學位論文第1l頁AbstractOpticalamplifierwhichisveryimportantforappliedallopticnetworkisthekeyoptoelectricdeviceinmodemopticalcommunicationsWiththeim

2、provingofverticalcavitydevices，akindofsemiconductoropticalamplifierbasedonverticalmicroFabryPerotresonantcavityverticalcavitysemiconductoropticalamplifier(VCSOA)，areproposedandwidelydevelopedinrecentyearsComparedwithconv

3、entionaledge—emittingsemiconductoramplifiers，VCSOAhastheinherentadvantageofpolarizationinsensitivityhighfibercouplingefficiencysinglelongitudinalmodeworkingandeasyforfabricatingtwo—dimensionalarraysonwaferIthasawiderange

4、ofpotentialapplicationsinopticalcommunicationnetworks，opticalsignalprocessing，opticalcomputationsBasedonVCSOAspecialdevicestructure，conventionalFPmodeedge—emittingsemiconductoramplifiergainandbandwidththeoryandsemiconduc

5、torlasersingle—moderateequations，wegaveoutthenumericalanalysesonstaticanddynamicpropertiesofVCSOAOpticalgainandbandwidthiscalculatedrespectivelyinreflectionandtransmissionmodeduetothevarietiesofdistributedBraggreflector(

6、DBR)’Sreflectivityandsinglepassgain，s12wingthathigherDBRreflectivityyieldshighergainwhiletheincreaseofgainisw翊hthedecreaseofopticalbandwidthInordertoconfiguregainandopticalbandwidthappropriatelyaconceptofthegainbandwidth

7、productisintroducedTheresultsshowthatthegainabove10dB，opticalbandwidthabove50GHzcanbeachievedInreflectionmodeVCSOAthefactsaboutgainsaturationpropertiesaregiventhatoutputsaturationpowerarechan酉ngbecauseofthevariationofopt

8、icalpumppoweroroutputDBRreflectivityDynamicpowerextensionisanalyzedsimultaneouslyAconclusionismadethatstrongpumplightpowerwillleadtogainflatnessandlarger2ainWithextendedtheorymodel，wavelengthconversionviaCROSSgainmodulat

9、ionofreflectionmodeVCSOA(VCSOA—XGM)issimulatedforthefirsttimeVCSOA—XGMwavelengthConversionspeed，extinctionratioandnoiseofoutputsignalareinvestigatedbyconsideringinputsignalpowerprobepowerandotherparametersInsimulation，wa