| Design and verification of a broadband highly-efficient plasmonic circulator |
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| 作者姓名： | 韩建飞 甄姝 王伟华 韩奎 李海鹏 赵雷 沈晓鹏 |
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| 作者单位： | School of Materials Science and Physics;School of Information and Control Engineering |
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| 基金项目： | Project supported by the Six-Talent-Peaks Project in Jiangsu Province of China(Grant No.XYDXX-072);the National Natural Science Foundation of China(Grant No.61372048). |
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| 摘 要： | Circulators play a significant role in radar and microwave communication systems.This paper proposes a broadband and highly efficient plasmonic circulator,which consists of spoof surface plasmon polaritons(SSPPs)waveguides and ferrite disks to support non-reciprocal mode coupling.The simulated performance of symmetrically designed circulator shows that it has an insertion loss of roughly 0.5 dB while the isolation and return loss is more than 12 dB in the frequency range of 6.0 GHz–10.0 GHz(relative bandwidth of 50%).Equivalent circuit model has been proposed to explain the operating mechanism of the plasmonic circulator.The equivalent circuit model,numerical simulations,and experimental results are consistent with each other,which demonstrates the good performance of the proposed plasmonic circulator.
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| 关 键 词： | PLASMONIC CIRCULATOR spoof surface plasmon polaritons FERRITE |
Design and verification of a broadband highly-efficient plasmonic circulator |
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| Jianfei Han,Shu Zhen,Weihua Wang,Kui Han,Haipeng Li,Lei Zhao,Xiaopeng Shen.Design and verification of a broadband highly-efficient plasmonic circulator[J].Chinese Physics B,2021(3). |
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| Authors: | Jianfei Han Shu Zhen Weihua Wang Kui Han Haipeng Li Lei Zhao Xiaopeng Shen |
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| Institution: | (School of Materials Science and Physics,China University of Mining and Technology,Xuzhou 221116,China;School of Information and Control Engineering,China University of Mining and Technology,Xuzhou 221116,China) |
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