圆柱形纳米物体存在下的自发发射建模:散射矩阵法

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-02-01 DOI:10.18287/2412-6179-co-1143

V. V. Nikolaev, E. I. Girshova, M. Kaliteevski

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引用次数: 0

摘要

我们提出了一种分析圆柱体内部或附近量子发射极(原子、发光中心、量子点)自发发射的方法。本方法的重点是圆柱状纳米物体散射矩阵的解析表达式。提出了一种基于散射矩阵特征值和特征向量的电磁场量化方法。该方法适用于计算和分析具有量子点的半导体纳米线、等离子体纳米线、电介质和金属中的圆柱形空腔等不同系统的自发发射率和辐射角依赖性。该方法相对简单，可以获得辐射到外部介质和进入引导模式的两种情况的解析和半解析表达式。

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Modeling of spontaneous emission in presence of cylindrical nanoobjects: the scattering matrix approach

We propose a method of analysis of spontaneous emission of a quantum emitter (an atom, a luminescence center, a quantum dot) inside or in vicinity of a cylinder. At the focus of our method are analytical expressions for the scattering matrix of the cylindrical nanoobject. We propose the approach to electromagnetic field quantization based of eigenvalues and eigenvectors of the scattering matrix. The method is applicable for calculation and analysis of spontaneous emission rates and angular dependences of radiation for a set of different systems: semiconductor nanowires with quantum dots, plasmonic nanowires, cylindrical hollows in dielectrics and metals. Relative simplicity of the method allows obtaining analytical and semi-analytical expressions for both cases of radiation into external medium and into guided modes.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.