Abstract
Plasmonic modes of metallic slab in anisotropic plasma environment have been explored in this manuscript. The impacts of tensorial permittivity of plasma medium on the behavior of plasmonic modes are analyzed. The numerical results show that the plasma parameters and the separation distance between the plates can be used to tune the effective mode index, attenuation, and phase velocity in the certain electromagnetic wave frequency range for lower and higher modes. Additionally, attenuation of the electromagnetic wave for higher plasmonic mode is more dominant as compared to lower mode for plasma frequency as well as separation distance. Furthermore, field distribution for the anisotropic plasma medium is also analyzed to verify the electromagnetic surface wave conditions. It was concluded that anisotropy of plasma dielectric provides an additional degree of freedom over isotropic dielectric to tune the characteristics of plasmon mode. To control over the anisotropic properties of plasma medium is being used to increase the efficiency of nano-plasmonic structure.
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Change history
14 November 2023
A Correction to this paper has been published: https://doi.org/10.1007/s11468-023-02118-y
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Acknowledgements
This work was supported by the Deputyship for Research and Innovation, “Ministry of Education” in Saudi Arabia for funding this research work through the project number IFKSUOR3-313.
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Deputyship for Research and Innovation, Ministry of Education Saudi Arabia, project number IFKSUOR3-313.
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M. Umair and Majeed Alkanhal wrote the main manuscript and derived analytical expressions. A. Ghaffar edited the manuscript and reviewed the numerical analysis. Y. Khan and Ali. H. Alqahtani developed the methodology in the given study. Author M. Umair was also encouraged and completely supervised during preparation of the manuscript by A. Ghaffar. I. Shakir has also significantly contributed in revision. All authors reviewed the manuscript before submission.
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The original online version of this article was revised: The original version of this article, unfortunately, contained an error in Project number in the “Acknowledgement” and “Funding” sections. We would like to incorporate a minor change in the Project number from ‘IFKSURGR3-313’ to ‘IFKSUOR3-313’.
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Umair, M., Ghaffar, A., Alkanhal, M.A.S. et al. Plasmonic Modes of Metallic Slab in Anisotropic Plasma Environment. Plasmonics 18, 1857–1864 (2023). https://doi.org/10.1007/s11468-023-01903-z
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DOI: https://doi.org/10.1007/s11468-023-01903-z