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Enhanced single photon emission in silicon carbide with Bull's eye cavities
文献摘要：
The authors demonstrate a Bull's eye cavity design that is composed of circular Bragg gratings and micropillar optical cavity in 4H silicon carbide(4H-SiC)for single photon emission.Numerical calculations are used to investigate and optimize the emission rate and directionality of emission.Thanks to the optical mode resonances and Bragg reflections,the radiative decay rates of a dipole embedded in the cavity center is enhanced by 12.8 times as compared to that from a bulk 4H-SiC.In particular,a convergent angular distribution of the emission in far field is simultaneously achieved,which remarkably boost the collection efficiency.The findings of this work provide an alternative architecture to manipulate light-matter interactions for achieving high-efficient SiC single photon sources towards applications in quantum information technologies.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）
[2] 医药、卫生（R） / 神经病学与精神病学（R74） / 神经病学（R741）
[3] 数理科学和化学（O） / 数学（O1） / 几何、拓扑（O18） / 代数几何（O187） / 代数曲线、代数曲面（O187.1）
作者姓名：
Xing-Hua Liu;Fang-Fang Ren;Jiandong Ye;Shuxiao Wang;Wei-Zong Xu;Dong Zhou;Mingbin Yu;Rong Zhang;Youdou Zheng;Hai Lu
作者机构：
School of Electronic Science and Engineering,Nanjing University,Nanjing 210023,China;State Key Laboratory of Functional Materials for Informatics,Shanghai Institute of Microsystem and Information Technology,Chinese Academy of Sciences,Shanghai 200050,China
文献出处：
中国物理B（英文版）
引用格式：
[1]Xing-Hua Liu;Fang-Fang Ren;Jiandong Ye;Shuxiao Wang;Wei-Zong Xu;Dong Zhou;Mingbin Yu;Rong Zhang;Youdou Zheng;Hai Lu-.Enhanced single photon emission in silicon carbide with Bull's eye cavities)[J].中国物理B（英文版）,2022(10):178-183
A类：
B类：
Enhanced,single,photon,emission,silicon,carbide,Bull,eye,cavities,authors,demonstrate,cavity,design,that,composed,circular,Bragg,gratings,micropillar,optical,4H,SiC,Numerical,calculations,used,investigate,optimize,directionality,Thanks,mode,resonances,reflections,radiative,decay,rates,dipole,embedded,center,enhanced,by,times,as,compared,from,bulk,In,particular,convergent,angular,distribution,far,field,simultaneously,achieved,which,remarkably,boost,collection,efficiency,findings,this,work,provide,alternative,architecture,manipulate,light,matter,interactions,achieving,high,efficient,sources,towards,applications,quantum,information,technologies
AB值：
0.669023
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