Highly Subwavelength, Superdirective Cylindrical Nanoantenna
- Publication Type:
- Journal Article
- Citation:
- Physical Review Letters, 2018, 120 (23)
- Issue Date:
- 2018-06-06
- Metrics:
Open Access
Files in This Item:
Filename | Description | Size | |||
---|---|---|---|---|---|
Arslanagic_Ziolkowski_LN15412_2018_05_01.pdf | Accepted Manuscript Version | 761.1 kB | Adobe PDF |
Copyright Clearance Process
- Recently Added
- In Progress
- Open Access
This item is open access.
© 2018 American Physical Society. A superdirective cylindrical nanoantenna is demonstrated with a multilayered cylindrical metamaterial-inspired structure. Targeting specific scattering coefficients for the dipole and higher-order modes, the ideal limit of needle radiation is demonstrated. A five-layer system is optimized to demonstrate its approach to the theoretical directivity bound. While the resulting structure is scalable to any frequency regime, its highly subwavelength overall size (λ0/10) takes advantage of combinations of positive and negative permittivity materials in the optical regime.
Please use this identifier to cite or link to this item: