双光反馈下垂直腔面发射激光器的双信道混沌同步通信

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1、西南大学硕士学位论文AbstractDual-channelchaossynchronizationandcommunicationbasedonaVCSELwithdoubleopticalfeedbackMajor：SignalandinformationprocessingAdvisor：Prof．GuangqiongXiaAuthor：WeiDengAbstractWiththerapiddevelopmentofmoderncommunicationtechnology,alargenumberofscholarspaygreatinter

2、estonthestudyofanewgenerationofsecurecommunicationwithhigh—speed，largecapacityandexcellentconfidentiality．Inrecentyears，theapplicationofchaossynchronizationinsecurecommunicationhasreceivedconsiderableattentions．Especially,witllthedevelopmentoftheanalysistechniqueforthedelayed—t

3、imesystem，itispossibletOobtaindelaytimeoftheexternalcavityfromlaser’schaoticoutputtoreconstructthesystem，whichwillundoubtedlythreatenthesecurityofchaoticcommunication．Asamicrochiplaser,VCSELshavemoreadvantagesthanEELS，suchassmallersize，oxide-aperturediameteranddivergence，single

4、longitudinalworkingmodeandeasiertocouplingopticalfiberandbeintegrated．Thus，VCSELshaswidepotentialapplicationinthefieldsofopticalcommunication，opticalinterconnectsandopticalstorage．Inaddition，theoutputofVCSELsmayhavetwoorthogonalpolarizationmodes，whichmakesitpossibletorealizethe

5、dual—channelsynchronouscommunicationbetweenVCSELs．AftertakingtwoorthogonalpolarizationmodesoutputfromaVCSELwitlldoubleopticalfeedbackastwochaoticcarriers．adual．channelchaossco．trecommunicationsystemhasbeenproposed，andthefrequencydetuningbetweentransmittinglaserandreceivinglaser

6、andinjectionstrengthimpactsystemsynchronization，thesignalmodulationanddemodulation，therelationshipbetweencommunicationperformanceandinformationtransferrate，thesynchronizationandcommunicationperformancesofsuchasystemalenumericallyinvestigated．111eresultsshowma：c，undersuitableope

7、ratedcondition，thetime-delaysignaturesoftwochaoticII西南大学硕士学位论文AbstractcarrierSoriginatedbytwolinearpolarizationmodesintheT-VCSELwithdoubleopticalfeedbackcanbesuppressedefficiently．Understrongmjectionlockingcase，high—qualitychaossynchronizationbetweentwocorrespondingmodesofT-VCS

8、ELandR-VCSELcallberealizedbypolarization-preservedopti