光分组网中基于量子点半导体光放大器的光信号处理技术的研究

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1、北京邮电大学博士学位论文光分组网中基于量子点半导体光放大器的光信号处理技术的研究姓名：韩会宁申请学位级别：博士专业：电磁场与微波技术指导教师：叶培大20090508北京邮电大学博士论文摘要(6)建立了量子点半导体光放大器一延迟干涉仪(QD．soA．DI)结构中的等效噪声源模型，分析了AsE噪声对基于QD．soA．DI的全光波长变换装置性能的影响，提出了在此类方案中抑制噪声和提高系统性能的方法。关键词：光分组交换量子点半导体光放大器光逻辑光信号处理波长转换串扰北京邮电大学博士论文摘要AbstractDuetothewidespreaduseoftheIntemetandtheaVailabil

2、ityofhigh—bandwidmserVices，theconventionalTelecommunicationNetworkfacesnewchallenge，whichishowtointe伊atetheimmensebandwidthofopticaltransmissiontechnologywiththenewdataseⅣicesbomee伍cientlyandagilelybytheIntemetProtocol(IP)switchingtechnoIogy．Theopticalpacketswitchednetwork(OPN)ismusintmducedtosolVe

3、theproblem．TheOPNsupportsmulti-伊aJlul撕tiesservicesandimproVesthebandwidthutilization，becausethesmallestswitching伊anularityisopticaIpacketaJldmebandwidthisallocateda百lelyaccordingtotheconsumerS’demands．Ultrahi曲speedopticalcomponentsarethenrequiredt0如lfillthese如nctions．QuantuIndot(QD)baseddeVices，esp

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6、introduced，andthegaindyn锄icsofQD-SoAisanalyzedbasedonthemodel．Basedonacrosstalkcoe伍cientmodel，thecrosstalkinOD．SOAswitchgatebasedonXGMisstudiedinchaDter3．Weuseatra伍cmodeltodescribethedifrerenceofbalancedandunbalanced仃a衔cinOPNnode．Cmsstalk—inducedbit锄rrate(BER)，switchingnodedimensionandswitchcascade

7、dcapabilityunderunbalancedtra伍careex锄ined，whichprovetobereleVaIlttotheQD—SOApar锄etersthesi印alpa舢eterSandthetra伍cmodelurlbalancedde2，ee．InChapter4，aIlultra—fastall-opticalXORgateusingquantumdotsemiconductoro