资源描述：
《2011_KJC_OL_Port output of metallo-dielectric confined circular microlasers》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、1374OPTICSLETTERS/Vol.36,No.8/April15,2011Portoutputofmetallo-dielectricconfinedcircularmicrolasers1,3211,Kai-JunChe,Yong-ZhenHuang,Hui-YingXu,andZhi-PingCai*1DepartmentofElectronicEngineering,InstituteofOptoelectronicTechnology,XiamenUniversity,Xiame
2、n361005,China2StateKeyLaboratoryonIntegratedOptoelectronics,InstituteofSemiconductors,ChineseAcademyofSciences,P.O.Box912,Beijing100083,China3e-mail:chekaijun@xmu.edu.cn*Correspondingauthor:zpcai@xmu.edu.cnReceivedOctober14,2010;revisedJanuary25,2011;
3、acceptedMarch16,2011;postedMarch17,2011(Doc.ID136635);publishedApril8,2011Portoutputofmetallo-dielectricconfinedcircularmicrolasersdirectlyconnectedwithacouplingwaveguideinradialdirectionispresentedandnumericallyinvestigatedbythefinite-differencetime-
4、domainmethodandthePadéapproximation.Thequalityfactorsoffundamentalwhispering-gallerymodesconfinedinmicrolaserswithdimensionsofaround1μmdonotdeteriorateuntiltheoutputwaveguidecansupportaone-orderguidedwave.Theport-outputmetallo-dielectricmicrolaserswit
5、hlowthresholdareexpected.Inaddition,themodecharacter-isticsofport-outputmetallo-dielectricmicrolasersarestudiedbasedonamplemodesoflargercavity,wherecoupledmodesandstanding-wave-likemodesdominateinthecavitywithawideoutputport.©2011OpticalSocietyofAmeri
6、caOCIScodes:140.3410,140.3945,140.4780.Microlasers,fabricatedbasedonthemicrocavities,arep-electrodemetalandsemiconductorgainmediumcanthekeycomponentsforconstructingblocksinphotonicsignificantlyreducethedissipationlosses[10,11],andintegratedcircuitswit
7、hsmallfootprint,lowpowercon-thesubwavelengthwaveguideandcylindermetallo-sumption,andcleavage-freecharacteristics,especiallydielectriclaserswererealizedwithpromisingperfor-forwaveguide-coupledmicrolaserswherethelasingmance[12,13].emissionorthesignalsca
8、nbedirectlyguidedouttootherInthisLetter,portoutputofthep-electrodegoldandopticalelementsthroughon-chipconnectedwaveguides.dielectricsilicaconfinedcircularmicrolaserswithacou-Thecircularmicrocavity,owingtoitsconfinedhighqual-plingwaveguideinrad
