Ultraconfined plasmons in atomically thin crystalline silver nanostructures
Fuente:
arXiv
Enregistré dans:
| Auteurs principaux: | , , , , , , , , , , |
|---|---|
| Format: | Preprint |
| Publié: |
2023
|
| Sujets: | |
| Accès en ligne: | |
| Tags: |
Ajouter un tag
Pas de tags, Soyez le premier à ajouter un tag!
|
| _version_ | 1866911166656151552 |
|---|---|
| author | Mkhitaryan, Vahagn Weber, Andrew P. Abdullah, Saad Fernández, Laura El-Fattah, Zakaria M. Abd Piquero-Zulaica, Ignacio Agarwal, Hitesh Díez, Kevin García Schiller, 3 Frederik Ortega, J. Enrique de Abajo, F. Javier García |
| author_facet | Mkhitaryan, Vahagn Weber, Andrew P. Abdullah, Saad Fernández, Laura El-Fattah, Zakaria M. Abd Piquero-Zulaica, Ignacio Agarwal, Hitesh Díez, Kevin García Schiller, 3 Frederik Ortega, J. Enrique de Abajo, F. Javier García |
| contents | The ability to confine light down to atomic scales is critical for the development of applications in optoelectronics and optical sensing as well as for the exploration of nanoscale quantum phenomena. Plasmons in metallic nanostructures can achieve this type of confinement, although fabrication imperfections down to the subnanometer scale hinder actual developments. Here, we demonstrate narrow plasmons in atomically thin crystalline silver nanostructures fabricated by prepatterning silicon substrates and epitaxially depositing silver films of just a few atomic layers in thickness. Combined with on-demand lateral shaping, this procedure allows for an unprecedented control over optical field confinement in the near-infrared spectral region. Specifically, we observe fundamental and higher-order plasmons featuring extreme spatial confinement and high-quality factors that reflect the crystallinity of the metal. Our approach holds potential for the design and exploitation of atomic-scale nanoplasmonic devices in optoelectronics, sensing, and quantum-physics applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_11367 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Ultraconfined plasmons in atomically thin crystalline silver nanostructures Mkhitaryan, Vahagn Weber, Andrew P. Abdullah, Saad Fernández, Laura El-Fattah, Zakaria M. Abd Piquero-Zulaica, Ignacio Agarwal, Hitesh Díez, Kevin García Schiller, 3 Frederik Ortega, J. Enrique de Abajo, F. Javier García Mesoscale and Nanoscale Physics Optics The ability to confine light down to atomic scales is critical for the development of applications in optoelectronics and optical sensing as well as for the exploration of nanoscale quantum phenomena. Plasmons in metallic nanostructures can achieve this type of confinement, although fabrication imperfections down to the subnanometer scale hinder actual developments. Here, we demonstrate narrow plasmons in atomically thin crystalline silver nanostructures fabricated by prepatterning silicon substrates and epitaxially depositing silver films of just a few atomic layers in thickness. Combined with on-demand lateral shaping, this procedure allows for an unprecedented control over optical field confinement in the near-infrared spectral region. Specifically, we observe fundamental and higher-order plasmons featuring extreme spatial confinement and high-quality factors that reflect the crystallinity of the metal. Our approach holds potential for the design and exploitation of atomic-scale nanoplasmonic devices in optoelectronics, sensing, and quantum-physics applications. |
| title | Ultraconfined plasmons in atomically thin crystalline silver nanostructures |
| topic | Mesoscale and Nanoscale Physics Optics |
| url | https://arxiv.org/abs/2303.11367 |