Plasmonic enhancement of the infrared radiation absorption in an ultrathin InSb layer
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866914504227422208 |
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| author | Lyaschuk, Yurii M. Korotyeyev, Vadym V. Kochelap, Viacheslav A. Raichev, Oleksandr O. |
| author_facet | Lyaschuk, Yurii M. Korotyeyev, Vadym V. Kochelap, Viacheslav A. Raichev, Oleksandr O. |
| contents | Indium antimonide (InSb) is a fundamental material for infrared radiation detectors based on interband transitions. Its narrow bandgap enables detection of infrared radiation within the $3-5 μm$ atmospheric window, while its high quantum efficiency ensures excellent sensitivity in InSb-based detectors. We propose a plasmonic structure that significantly enhances infrared absorption in an ultrathin InSb film. The resonant characteristics of this plasmonic enhancement effect could serve as a foundation for developing highly sensitive multi-color detectors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_05264 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Plasmonic enhancement of the infrared radiation absorption in an ultrathin InSb layer Lyaschuk, Yurii M. Korotyeyev, Vadym V. Kochelap, Viacheslav A. Raichev, Oleksandr O. Mesoscale and Nanoscale Physics Optics Indium antimonide (InSb) is a fundamental material for infrared radiation detectors based on interband transitions. Its narrow bandgap enables detection of infrared radiation within the $3-5 μm$ atmospheric window, while its high quantum efficiency ensures excellent sensitivity in InSb-based detectors. We propose a plasmonic structure that significantly enhances infrared absorption in an ultrathin InSb film. The resonant characteristics of this plasmonic enhancement effect could serve as a foundation for developing highly sensitive multi-color detectors. |
| title | Plasmonic enhancement of the infrared radiation absorption in an ultrathin InSb layer |
| topic | Mesoscale and Nanoscale Physics Optics |
| url | https://arxiv.org/abs/2512.05264 |