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Approaching total absorption at near infrared in a large area monolayer graphene by critical coupling

机译：通过临界耦合接近大面积单层石墨烯在近红外的总吸收

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摘要

We demonstrate experimentally close to total absorption in monolayer graphene based on critical coupling with guided resonances in transfer printed photonic crystal Fano resonance filters at near infrared. Measured peak absorptions of 35% and 85% were obtained from cavity coupled monolayer graphene for the structures without and with back reflectors, respectively. These measured values agree very well with the theoretical values predicted with the coupled mode theory based critical coupling design. Such strong light-matter interactions can lead to extremely compact and high performance photonic devices based on large area monolayer graphene and other two-dimensional materials.
机译：我们展示了基于临界耦合的近耦合在单层石墨烯中的总吸收实验，该耦合在近红外下的转移印刷光子晶体Fano共振滤光片中进行。对于不带背反射器和带背反射器的结构，从腔耦合单层石墨烯分别获得了35％和85％的测量峰吸收。这些测量值与基于耦合模式理论的关键耦合设计所预测的理论值非常吻合。这种强大的光物质相互作用可导致基于大面积单层石墨烯和其他二维材料的极其紧凑和高性能的光子器件。

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  • 来源
    《Applied Physics Letters》 |2014年第18期|181105.1-181105.4|共4页
  • 作者

    Yonghao Liu; Arvinder Chadha; Deyin Zhao; Jessica R. Piper; Yichen Jia; Yichen Shuai; Laxmy Menon; Hongjun Yang; Zhenqiang Ma; Shanhui Fan; Fengnian Xia; Weidong Zhou;

  • 作者单位

    Nanophotonics Lab, Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA;

    Nanophotonics Lab, Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA;

    Nanophotonics Lab, Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA;

    Ginzton Laboratory, Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA;

    Department of Electrical Engineering, Yale University, New Haven, Connecticut 06520, USA;

    Nanophotonics Lab, Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA;

    Nanophotonics Lab, Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA;

    Nanophotonics Lab, Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA;

    Department of Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA;

    Ginzton Laboratory, Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA;

    Department of Electrical Engineering, Yale University, New Haven, Connecticut 06520, USA;

    Nanophotonics Lab, Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas 76019, USA;

  • 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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