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Corrugated plasmonic cavity for enhanced intersubband photodetection

机译：波纹等离子体腔增强子带间光检测

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摘要

We study the optical properties of a corrugated plasmonic cavity consisting of a perforated metal film and a flat metal sheet separated by a semiconductor spacer. Corrugation enhances dramatically the coupling between the propagating surface plasmon and the Fabry-Perot mode and induces Rabi-like splitting forming bright bonding and dark anti-bonding modes. The anti-bonding mode exhibits considerably higher volume-averaged field enhancement factors (~16.5 for £-field and ~14.1 for E_z-component) than its bonding counterpart as well as a very high polarization conversion ratio (~85.5%) from transverse electric to transverse magnetic waves. These characteristics make the corrugation induced anti-bonding mode particularly suitable for semiconductor quantum well intersubband photodetectors. Our work may provide a general guideline to the design of metamaterial-coupled intersubband hybrid devices for practical applications.
机译：我们研究由多孔金属膜和由半导体垫片隔开的平坦金属片组成的波纹等离子体腔的光学特性。波纹极大地增强了传播的表面等离子体激元与Fabry-Perot模式之间的耦合，并诱导了类似Rabi的分裂，形成了亮键和暗反键模式。反键合模式比键合模式具有更高的体积平均场增强因子（£场约为16.5，E_z分量约为〜14.1），并且横向电场极化转换率非常高（〜85.5％）。横电磁波。这些特性使波纹诱导的抗键合模式特别适合于半导体量子阱子带间光电探测器。我们的工作可能会为实际应用中超材料耦合子带间混合器件的设计提供一般指导。

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  • 来源
    《Applied Physics Letters》 |2017年第26期|261103.1-261103.5|共5页
  • 作者

    Chuanling Men; Ri Qu; Jun Cao; Haochi Yu; Peng Gou; Yuexin Zou; Le Yang; Jie Qian; Ziyi Zhao; Jie Xu; Zhenghua An;

  • 作者单位

    School of Energy and Power Engineering, University of Shanghai for Science and Technology,Shanghai 200093, People's Republic of China;

    School of Energy and Power Engineering, University of Shanghai for Science and Technology,Shanghai 200093, People's Republic of China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China;

    State Key Laboratory of Surface Physics, Institute of Nanoelectronic Devices and Quantum Computing,Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Department of Physics,Fudan University, Shanghai 200433, China,Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 入库时间 2022-08-18 03:14:11

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