N. Dorh
Polarization and mutual coupling effects in aluminum nanoantenna arrays
Dorh, N.; Stokes, J.; Cryan, M. J.
Authors
J. Stokes
M. J. Cryan
Abstract
This paper uses finite-difference time-domain modeling to study the impact of varying the polarization of the point source(s) on both a single aluminum dipole nanoantenna and a 2×2 array. Starting with the single dipole nanoantenna, this paper demonstrates the strong dependence of power enhancement and resonance on the polarization of the source by alternating between orthogonal polarization states. With each element of the array excited by a single point source, the resonance, power enhancement, and far-field radiation patterns are observed as the polarization of each source is rotated, in varying combinations. The results demonstrate that a unique far-field radiation pattern is produced for each polarization combination, which may lead to applications in subdiffraction limit imaging and quantum optics.
Citation
Dorh, N., Stokes, J., & Cryan, M. J. (2015). Polarization and mutual coupling effects in aluminum nanoantenna arrays. Journal of the Optical Society of America B, 32(4), 721-729. https://doi.org/10.1364/JOSAB.32.000721
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 17, 2015 |
Online Publication Date | Mar 31, 2015 |
Publication Date | Apr 1, 2015 |
Deposit Date | Jun 29, 2018 |
Journal | Journal of the Optical Society of America B |
Print ISSN | 0740-3224 |
Publisher | Optica |
Peer Reviewed | Peer Reviewed |
Volume | 32 |
Issue | 4 |
Pages | 721-729 |
DOI | https://doi.org/10.1364/JOSAB.32.000721 |
Public URL | https://hull-repository.worktribe.com/output/900892 |
Publisher URL | https://www.osapublishing.org/josab/abstract.cfm?uri=josab-32-4-721 |
Related Public URLs | https://research-information.bristol.ac.uk/en/publications/polarization-and-mutual-coupling-effects-in-aluminum-nanoantenna-arrays(2e2c7376-c952-4c8c-9907-c784ea13ccb5).html |
Contract Date | Jun 29, 2018 |
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