基于非对称腔体的等离子体开关，在腔体内嵌入正方形金

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-07-01 DOI:10.1117/1.jnp.17.036004

Majid Ghadrdan, Mojtaba Shahraki, Mohammad Ali Mansouri-Birjandi

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引用次数: 0

摘要

提出了一种基于金属-绝缘体-金属结构的全光等离子体开关。我们利用黄金固有的非线性特性来实现这种转换。所提出的开关由一个总线波导侧与一对不对称垂直腔耦合组成。我们得到了低输入强度下结构的透射谱。结果表明，在860nm波长处出现了一个急剧的下降。由于金的非线性特性和非线性Kerr效应，该开关具有高传输率(约0.8 mW / μm2)和低阈值功率(0.07 mW / μm2)。与未使用金纳米结构相比，该结构的阈值功率降低了50%。结果表明，该开关具有应用于等离子体集成电路的潜力。

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Plasmonic switch based on asymmetric cavities with embedding square of gold inside the cavities

We proposed an all-optical plasmonic switch based on metal-insulator-metal structures. We used the intrinsic nonlinear properties of gold to implement the switch. The proposed switch consists of a bus waveguide side coupled with a pair of asymmetric vertical cavities. We obtained the transmission spectrum of the structure for low input intensities. The results showed that a sharp dip occurs at the wavelength of 860 nm. Due to the nonlinear properties of gold and the nonlinear Kerr effects, the proposed switch has a high transmission ratio of about 0.8 mW / μm2 and a low threshold power of 0.07 mW / μm2. The threshold power of the structure with and without using the gold nanostructure shows a reduction of 50%. The result showed that the proposed switch has the potential to be applied in the plasmonic integration circuits.

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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.