在800~1100nm范围内实现基于狄拉克半金属的多波段超材料波导
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1.贺州学院,广西 贺州,542899;2.安徽理工大学 机械工程学院,安徽 淮南,232001

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O43

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Realization of a multiband metamaterial waveguide based on dirac semimetal in the 800~1100nm range
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1.Hezhou University, Hezhou 542899, China;2.School of Mechanical Engineering, Anhui University of Science and Technology,Huainan 232001, China

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    摘要:

    提出了一种基于Dirac半金属层的具有四个方孔谐振器的超材料波导,其波长范围为800~1100nm。 在共振波长842nm,921nm,1010nm和1061nm处分别获得四个透射峰(70%,61%,72%和63%)。 这些透射峰源自于分布在主腔和腔1、2、3或4中的磁场的干涉增强作用。通过将费米能量从50meV增加到70meV,可以增加四个透射峰并将其转移到更短的波长。 所提出的超材料波导可能在纳米级滤波器,开关或折射率传感器中应用。

    Abstract:

    In this paper, a metamaterial waveguide with four square hole resonators based on Dirac semimetal layers is proposed in the 800~1100nm range. Four transmission peaks (70%, 61%, 72%, and 63%) are achieved at resonance wavelengths 842nm, 921nm, 1010nm, and 1061nm, respectively. These transmission peaks are originated from the interference effect of magnetic fields distributed in the main cavity and cavities 1, 2, 3, or 4. These transmission peaks can be enhanced and moved to shorter wavelengths through increasing the Fermi energy. The proposed metamaterial waveguide can be applied in nanoscale filter, switch, or refractive index sensor.

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钟敏,史先春.在800~1100nm范围内实现基于狄拉克半金属的多波段超材料波导[J].红外与毫米波学报,2020,39(5):576~583]. ZHONG Min, SHI Xian-Chun. Realization of a multiband metamaterial waveguide based on dirac semimetal in the 800~1100nm range[J]. J. Infrared Millim. Waves,2020,39(5):576~583.]

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历史
  • 收稿日期:2019-12-22
  • 最后修改日期:2020-09-01
  • 录用日期:2020-02-11
  • 在线发布日期: 2020-05-09
  • 出版日期: