Planar plasmonic metamaterial on a thin film with nearly zero thickness
Planar plasmonic metamaterial on a thin film with nearly zero thickness
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厚度几乎为零的薄膜上的平面等离子体超材料
DOI：
10.1063/1.4808350
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发表时间：
2013-05-27
影响因子：
4
通讯作者：
Cui, Tie Jun
中科院分区：
文献类型：
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作者：
Shen, Xiaopeng;Cui, Tie Jun
我们提出了一种平面等离子体超材料薄波纹金属薄膜在微波和太赫兹频率。通过理论模拟和实验研究，我们发现表面等离子激元（SPPs）可以通过在金属薄膜的边缘形成周期性的沟槽来沿着传播。我们证明，这样的平面等离子体超材料可以维持高度本地化的SPP沿着两个正交方向。我们在太赫兹频段设计并模拟了一个平面环形谐振腔，并在微波频段进行了实验，两者都表现出了良好的性能。所提出的平面等离子体超材料可以在集成等离子体电路和系统中发挥重要作用。
We propose a planar plasmonic metamaterial on thin corrugated metal films in microwave and terahertz frequencies. From theoretical simulation and experiment, we show that spoof surface plasmon polaritons (SPPs) can propagate along a thin metal film by corrugating its edge with periodic array of grooves. We demonstrate that such a planar plasmonic metamaterial can sustain highly localized SPPs along two orthogonal directions. We have designed and simulated a planar ring resonator in the terahertz frequency, and made experiment in the microwave frequency, both of which exhibit excellent performance. The proposed planar plasmonic metamaterials can play important roles in integrated plasmonic circuits and systems.