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

M. Lopez-Garcia, Y.-L. D. Ho, Mike P. C. Taverne, L.-F. Chen, M. M. Murshidy, A. P. Edwards, M. Y. Serry, A. M. Adaw, John G. Rarity, Ruth Oulton

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)
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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.
Original languageEnglish
Article number231116
Number of pages5
JournalApplied Physics Letters
Volume104
Issue number23
DOIs
Publication statusPublished - 9 Jun 2014
Externally publishedYes

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