具有光子和声子带隙的 6H-SiC 光子微腔

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-02-01 DOI:10.1117/1.jnp.18.016006

Peiwen Gao, Jingzhi Wu, Yanhong Wang

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引用次数: 0

摘要

通过设计同时支持光子和声子带隙的 phoxonic 晶体的带隙，可以控制光传播和声振动。在这项研究中，我们对四叶草形 6H-SIC 晶体微腔的光学和机械特性进行了数值研究。结果表明，声子带隙的频率范围可以通过调整结构的几何形状来操纵，从而产生超过 12 GHz、以 30.8 GHz 为中心的宽声子带隙。该结构还支持可见光的强局域光学模式，Q 系数超过 143。在 phoxonic 晶体的光子和声子带隙内，该结构可以减少机械振动，并支持可用于捕获纳米粒子的约束光学模式。

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6H-SiC phoxonic microcavities with photonic and phononic bandgaps

Light propagation and acoustic vibrations can be controlled by designing the bandgap of phoxonic crystals, which support photonic and phononic bandgaps simultaneously. In this study, we numerically investigated the optical and mechanical properties of a clover-shaped 6H-SIC crystal microcavity. The results indicate that the frequency range of the phononic bandgap can be manipulated by adjusting the geometry of the structure, resulting in a wide phononic bandgap over 12 GHz centered at 30.8 GHz. The structure also supports strong localized optical modes for visible light with a Q-factor over 143. Within the photonic and phononic bandgaps of the phoxonic crystal, the structure can reduce mechanical vibrations and support a confined optical mode that can be used for trapping nanoparticles.

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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.