Dynamic light manipulation via silicon-organic slot metasurfaces.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
20 Feb 2024
20 Feb 2024
Historique:
received:
30
05
2023
accepted:
25
01
2024
medline:
21
2
2024
pubmed:
21
2
2024
entrez:
20
2
2024
Statut:
epublish
Résumé
Active metasurfaces provide the opportunity for fast spatio-temporal control of light. Among various tuning methods, organic electro-optic materials provide some unique advantages due to their fast speed and large nonlinearity, along with the possibility of using fabrication techniques based on infiltration. In this letter, we report a silicon-organic platform where organic electro-optic material is infiltrated into the narrow gaps of slot-mode metasurfaces with high quality factors. The mode confinement into the slot enables the placement of metallic electrodes in close proximity, thus enabling tunability at lower voltages. We demonstrate the maximum tuning sensitivity of 0.16nm/V, the maximum extinction ratio of 38% within ± 17V voltage at telecommunication wavelength. The device has 3dB bandwidth of 3MHz. These results provide a path towards tunable silicon-organic hybrid metasurfaces at CMOS-level voltages.
Identifiants
pubmed: 38378672
doi: 10.1038/s41467-024-45544-0
pii: 10.1038/s41467-024-45544-0
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1557Informations de copyright
© 2024. The Author(s).
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