Pure moving optical media consisting of magnetochiral metasurfaces
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866916424944975872 |
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| author | Kodama, Toshiyuki Nakanishi, Toshihiro Sawada, Kei Tomita, Satoshi |
| author_facet | Kodama, Toshiyuki Nakanishi, Toshihiro Sawada, Kei Tomita, Satoshi |
| contents | We report numerical studies of microwave bianisotropies by magnetochiral (MCh) metasurfaces consisting of double Z-type gammadions with perpendicularly magnetized substrates. The metasurfaces' effective polarizability tensor, extracted from calculated reflection and transmission coefficients, has components of the non-reciprocal moving-type bianisotropy as well as the reciprocal chiral-type bianisotropy and non-reciprocal magneto-optical (MO) effect. Combination of the metasurfaces with contraposition MCh metasurfaces cancels both the chiral-type bianisotropy and MO effect, resulting in pure moving optical media. Achieved perfect transmission with phase difference of $π$ realizes an ideal gyrator for arbitrary spatial and polarization modes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_00831 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Pure moving optical media consisting of magnetochiral metasurfaces Kodama, Toshiyuki Nakanishi, Toshihiro Sawada, Kei Tomita, Satoshi Classical Physics Optics We report numerical studies of microwave bianisotropies by magnetochiral (MCh) metasurfaces consisting of double Z-type gammadions with perpendicularly magnetized substrates. The metasurfaces' effective polarizability tensor, extracted from calculated reflection and transmission coefficients, has components of the non-reciprocal moving-type bianisotropy as well as the reciprocal chiral-type bianisotropy and non-reciprocal magneto-optical (MO) effect. Combination of the metasurfaces with contraposition MCh metasurfaces cancels both the chiral-type bianisotropy and MO effect, resulting in pure moving optical media. Achieved perfect transmission with phase difference of $π$ realizes an ideal gyrator for arbitrary spatial and polarization modes. |
| title | Pure moving optical media consisting of magnetochiral metasurfaces |
| topic | Classical Physics Optics |
| url | https://arxiv.org/abs/2403.00831 |