可调谐等离子体诱导双层石墨烯超材料的透明度

Q2 Social Sciences

Advances in Engineering Education Pub Date : 2017-11-01 DOI:10.1109/PIERS-FALL.2017.8293582

Jiang-Yu Liu, Tie-jun Huang, Pu‐Kun Liu

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引用次数: 1

摘要

提出了由周期性图像化石墨烯微孔和微带组成的可调谐等离子体诱导透明(PIT)超材料结构，并对其进行了数值研究。通过对场分布的分析，详细研究了等离子体模式之间的相互作用导致PIT效应。用耦合洛伦兹振子模型解释了PIT效应的机理。通过改变石墨烯的费米能级，可以动态调节PIT结构的透明窗口。这种可调谐石墨烯PIT器件在设计光开关器件、超紧凑传感器和太赫兹区域的慢光器件方面具有潜在的应用前景。

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Tunable plasmon-induced transparentcy in bilayer graphene metamaterials

The tunable plasmon-induced transparency (PIT) metamaterial structures composed of periodically patterned graphene microholes and microribbons are presented and numerically investigated. The interaction between plasmonic modes that lead to the PIT effect is studied in detail by analyzing the field distributions. A coupled Lorentz oscillator model is used to explain the mechanism of the PIT effect. The transparency window of PIT structures can be dynamically tuned by varying the Fermi level of the graphene. The tunable graphene PIT device may have potential applications in designing optical switching devices, ultra-compact sensors and slow light devices in the THz region.

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来源期刊

Advances in Engineering Education Social Sciences-Education

CiteScore

2.90

自引率

0.00%

发文量

期刊介绍： The journal publishes articles on a wide variety of topics related to documented advances in engineering education practice. Topics may include but are not limited to innovations in course and curriculum design, teaching, and assessment both within and outside of the classroom that have led to improved student learning.