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1、JournalofPhysics:ConferenceSeriesRelatedcontent-Anelectro-opticdirecteddecoderbasedDirectedXOR/XNORlogiccircuitimplementedbyontwocascadedmicroringresonatorsZhangFanfan,ZhouPing,ChenQiaoshanmicroringresonators:simulationandetal.demonstration-Tunableopticalfilterusingsecond-ordermicro-ringresonat
2、orLinDeng,DezhaoLi,ZilongLiuetal.Tocitethisarticle:LeiZhangetal2011J.Phys.:Conf.Ser.276012105-High-speedsilicon-basedmicroringmodulatorsandelectro-opticalswitchesintegratedwithgratingcouplersXiXiao,YingtaoHu,HaihuaXuetal.Viewthearticleonlineforupdatesandenhancements.Thiscontentwasdownloadedfrom
3、IPaddress117.165.42.60on18/08/2018at09:453rdInternationalPhotonics&OptoElectronicsMeetings(POEM2010)IOPPublishingJournalofPhysics:ConferenceSeries276(2011)012105doi:10.1088/1742-6596/276/1/012105DirectedXOR/XNORlogiccircuitimplementedbymicroringresonators:simulationanddemonstration1LeiZhang,Rui
4、qiangJi,LianxiJia,LinYang,PingZhou,YonghuiTian,PingChen,YangyangLu,ZhenyuJiangandYuliangLiuE-mail:oip@semi.ac.cnOptoelectronicSystemLaboratory,InstituteofSemiconductors,ChineseAcademyofSciences,Beijing100083,ChinaAbstract.Adirectedlogiccircuitconsistingoftwosiliconmicroringresonatorswhichcanper
5、formXORandXNORoperationshasbeenproposed.Thesetwooperationsareevaluatedastheopticalsignalisdirectedalongthecircuit,andtheresultsappearatsomespecificoutputportsofthecircuit.Apotentialadvantageofthisnewlogicalparadigmisthatithasmarkedlylessstatedelaythantraditionallogiccircuits.Devicesbasedontheab
6、oveproposalarefabricatedonan8-inchsilicon-on-insulatorwafer.Themicroringresonatorsinthecircuitaremodulatedthroughthermo-opticeffect.Twoelectricalmodulatingsignalsappliedtothemicroringresonatorsrepresentthetwooperandsofthelogicaloperationrespectively.BitwiseXORandXNORoperationsat20kbit/saredemon
7、strated.Thescatteringmatrixmethodisadoptedtoanalysethetransmissionspectraofthecircuit.Thesymmetricalcharacteristicsofthespectraarewelldescribedbythismodel.Thepotentialapplicationsofthisdevicearegiven.1.IntroductionDirectedlogicisa
