Efficient out-coupling and beaming of Tamm optical states via surface plasmon polariton excitation

Lopez-Garcia, M., Ho, Daniel, Taverne, M. P. C., Chen, L.-F., Murshidy, M. M., Edwards, A. P., Serry, M. Y., Adawi, A. M., Rarity, J. G. and Oulton, R. (2014) Efficient out-coupling and beaming of Tamm optical states via surface plasmon polariton excitation. Applied Physics Letters, 104 (23). p. 231116. ISSN 0003-6951

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Official URL: https://doi.org/10.1063/1.4882180

Abstract

We present evidence of optical Tamm states to surface plasmon polariton (SPP) coupling. We experimentally demonstrate that for a Bragg stack with a thin metal layer on the surface, hybrid Tamm-SPP modes may be excited when a grating on the air-metal interface is introduced. Out-coupling via the grating to free space propagation is shown to enhance the transmission as well as the directionality and polarization selection for the transmitted beam. We suggest that this system will be useful on those devices, where a metallic electrical contact as well as beaming and polarization control is needed.

Item Type: Article
Subjects: F300 Physics
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Elena Carlaw
Date Deposited: 28 Oct 2019 14:38
Last Modified: 28 Oct 2019 14:45
URI: http://nrl.northumbria.ac.uk/id/eprint/41274

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