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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2026
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| Accès en ligne: | https://arxiv.org/abs/2605.12346 |
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| _version_ | 1866909037860225024 |
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| author | Arlouski, Aliaksandr Gao, Lei Gao, Dongliang Novitsky, Andrey |
| author_facet | Arlouski, Aliaksandr Gao, Lei Gao, Dongliang Novitsky, Andrey |
| contents | Dyadic Green's function is an important tool of computational photonics, giving deeper insights into light-matter interaction. We present an operator approach to the derivation of the dyadic Green's function of a generic anisotropic planarly-layered medium for both electric and magnetic fields. The resulting Green's function is expressed through the evolution operators (a kind of transfer matrices) of the comprising layers and the surface impedance tensors, the singular term being naturally separated from other terms. The operator approach to the Green's function simplifies both the conceptual understanding of the problem and the subsequent practical applications, some of which are demonstrated here. The proposed approach can be easily generalized to the case of spherical and cylindrical layers. The obtained results can be applied in nanophotonics engineering problems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_12346 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | General and concise operator approach to the dyadic Green's function of layered media Arlouski, Aliaksandr Gao, Lei Gao, Dongliang Novitsky, Andrey Optics Mathematical Physics Dyadic Green's function is an important tool of computational photonics, giving deeper insights into light-matter interaction. We present an operator approach to the derivation of the dyadic Green's function of a generic anisotropic planarly-layered medium for both electric and magnetic fields. The resulting Green's function is expressed through the evolution operators (a kind of transfer matrices) of the comprising layers and the surface impedance tensors, the singular term being naturally separated from other terms. The operator approach to the Green's function simplifies both the conceptual understanding of the problem and the subsequent practical applications, some of which are demonstrated here. The proposed approach can be easily generalized to the case of spherical and cylindrical layers. The obtained results can be applied in nanophotonics engineering problems. |
| title | General and concise operator approach to the dyadic Green's function of layered media |
| topic | Optics Mathematical Physics |
| url | https://arxiv.org/abs/2605.12346 |