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Design and Research of Enhanced LED Performance Based on Graphical Substrate with Multilayer Hyperbolic Metamaterials

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Abstract

This paper mainly studies the influence of multilayer hyperbolic metamaterials (HMMs) with different structural parameters on the intensity of spontaneous radiation of quantum wells, thereby improving the coupling efficiency of incident electromagnetic waves and free electrons on metal nano-surfaces. In this paper, numerical simulations of visible light bands of 450–700 nm of Ag, Au, and Cu thin films are performed. The local field enhancements of multilayer HMMs with different shapes are compared, and it is found that circle Ag/Si multilayer HMMs have stronger field enhancement effects than other structures. At the same time, Purcell analysis was performed by changing various parameters of multilayer HMMs. It is found that the thickness of the metal/dielectric layer, the distance between the dipole and the HMMs, and the length of the multilayer HMMs change the intensity of the plasmon resonance radiation and have a great impact on the position of the resonance wavelength.

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Data Availability

All data that support the findings of this study are available from the corresponding author upon reasonable request.

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Funding

This work was supported by Natural Science Research Projects of Jiangsu Province University (20KJA510001), China Postdoctoral Science Foundation (2018T110480), Open Foundation of State Key Laboratory of Luminescent Materials and Devices, China (2020-skllmd-03), Research Center of Optical Communications Engineering & Technology, Jiangsu Province (ZXF201904), and Open Foundation of State Key Laboratory of Bioelectronics, Southeast University.

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Authors and Affiliations

  1. College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing, 210023, China

    Ye Feng, Wei Li, Jiansheng Zhao, Jinze Li, Gang Bai & Jie Xu

  2. State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510641, China

    Wei Li

  3. National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210023, China

    Wei Li, Gang Bai & Jie Xu

  4. State Key Laboratory of Bioelectronics, Southeast University, Nanjing, 210093, China

    Wei Li

Authors
  1. Ye Feng
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  2. Wei Li
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  3. Jiansheng Zhao
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  4. Jinze Li
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  5. Gang Bai
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  6. Jie Xu
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Contributions

Ye Feng and Wei Li conceived the idea. Gang Bai and Jie Xu developed the theory. Jiansheng Zhao and Jinze Li performed the simulation. Ye Feng and Wei Li analyzed the data and wrote the manuscript.

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Correspondence to Wei Li.

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Feng, Y., Li, W., Zhao, J. et al. Design and Research of Enhanced LED Performance Based on Graphical Substrate with Multilayer Hyperbolic Metamaterials. Plasmonics 16, 1593–1604 (2021). https://doi.org/10.1007/s11468-021-01422-9

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  • DOI: https://doi.org/10.1007/s11468-021-01422-9

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