Abstract
The Faraday rotation (FR) effect for transverse-magnetic (p)-polarized wave in the borophene metasurface bilayers (BMB) is studied theoretically. Under the influence of the multiple interference mechanism for the bilayer structure, it is found that there exists large FR angle in the BMB near the topological transition (TPT) point for borophene metasurface, which is caused by the proximity of the amplitude values of the co-polarized transmission coefficient \(\left|{{\varvec{t}}}_{{\varvec{p}}{\varvec{p}}}\right|\) and cross-polarized transmission coefficient \(\left|{{\varvec{t}}}_{{\varvec{p}}{\varvec{s}}}\right|\) to each other. It is demonstrated that in BMB, there exists the ultrahigh sensitivity of the FR angle to spacer refractive index.
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This manuscript has no associated data or the data will not be deposited. [Authors’ comment: The data will be made available on reasonable request to the authors. Thus, the authors understand that there is no need to deposit the data.]
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Acknowledgements
This work was supported by Natural Science Foundation of Fujian Province (2018J01421, 2022J011129, and 2020J01219), and Special Fund Research Project of Minjiang University Fashu Charity Foundation (MFK23011).
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Cheng, M. Enhanced and tunable Faraday effects in borophene metasurface bilayers. Eur. Phys. J. B 96, 137 (2023). https://doi.org/10.1140/epjb/s10051-023-00606-y
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DOI: https://doi.org/10.1140/epjb/s10051-023-00606-y