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ID:33004503
大小:1.25 MB
页数:32页
时间:2019-02-19
《非相干光反馈对光注入半导体激光器动力学行为的影响》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、■^●^两南大学硕十学位论文AbstractInfluencesofincoherentopticalfeedbackonthenonlineardynamicalcharacteristicsofanopticallyin.iectedsemiconductorlaserMajor:OpticsAdvisor:Prof.GuangqiongXiaAuthor:XinXinPingAbstractThroughintroducingexternalperturbationsuchasopticalinjiection,opticalfeedbackandoptoelectron
2、icfeedback,theoutputofsemiconductorlaSers(SLs)callexhibitplentyofnonlineardynamics.NonlineardynamicsofSLshaveattractedmuchattentionduetoitswideapplicationssuchasopticalinterconnection,opticalstorage.securecommunicationandotherfields。Intheearlyresearchstage,oneusuallyfocusedonthenonlineardyna
3、micofaSLsubjecttooneperturbation.Recently,ForanopticallyinjectedSL,afteradoptingoptoelectronicfeedback,thecomplexdynamicbehaviorofthissystemsandrelatedapplicationswasreported.Comparedwithoptoelectronicfeedback.theSLwimincoherentopticalfeedbackwhichisalsoinsensitivitytoopticalphaSevariationha
4、sgoodstability,andthebandwidthlimitationisnotexistedbecausenoelectronicdevices.Therefore,thenonlineardynamiccharacteristicsresearchofaSLwinlopticalinjectionandincoherentopticalfeedbackwillmorevaluable.Inthispaper,basedontherateequationsdescribingtheSL(theslavelaSer)withincoherentopticalfeedb
5、ackandopticalinjectionfromanotherlaser(themasterlaser),theinfluencesofthefeedbackstrength,injectedstrengthandfrequencydetuningbetweentheslavelaSerandthemaSterlaSeronthenonlineardynamicalcharacteristicsoftheslavelaserhavebeeninvestigated.TheresultsshowtheSLhasrichdynamicoutputcharacteristicsw
6、iththeinjectedstrengthchanged,whenthefeedbackstrengthandfrequencydetuningisfixed.TheSLhasthedynamicoutputcharacteristicswhichcontainnotonlyperiodone(P1),period—two(P2),period-four(P4),chaotic(co)dynamicphenomenainasingleperturbation,butalsorulespulsing(RP),two-frequencypulsing(P2P),four-freq
7、uencypulsing(P4P),quasi-periodicpulsing(QP)andchaoticpulsing(CP).Meantime,itCanbeseenthatthereexitsdifferentroutestochaos,wheretwotypicalpulsingroutesareveryeasytoobserved.Oneisperiod-doublingpulsingII■^'^两南大学硕十学伊论文Abstractrouteandtheotherisquasi—p
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