A Patanè
Optical Detection and Spatial Modulation of Mid-Infrared Surface Plasmon Polaritons in a Highly Doped Semiconductor
Patanè, A; Cerutti, L; Di Paola, DM; Velichko, AV; Bomers, M; Balakrishnan, N; Makarovsky, O; Kesaria, M; Baranov, N; Capizzi, M; Krier, A; Taliercio, T
Authors
L Cerutti
DM Di Paola
AV Velichko
M Bomers
Dr Nilanthy Balakrishnan n.balakrishnan@keele.ac.uk
O Makarovsky
M Kesaria
N Baranov
M Capizzi
A Krier
T Taliercio
Abstract
Highly doped semiconductors (HDSCs) are promising candidates for plasmonic applications in the mid-infrared (MIR) spectral range. This work examines a recent addition to the HDSC family, the dilute nitride alloy In(AsN). Postgrowth hydrogenation of In(AsN) creates a highly conducting channel near the surface and a surface plasmon polariton detected by attenuated total reflection techniques. The suppression of plasmonic effects following a photoannealing of the semiconductor is attributed to the dissociation of the N?H bond. This offers new routes for direct patterning of MIR plasmonic structures by laser writing.
Acceptance Date | Dec 28, 2017 |
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Publication Date | Feb 5, 2018 |
Journal | Advanced Optical Materials |
Publisher | Wiley |
Pages | 1700492 - 1700492 |
DOI | https://doi.org/10.1002/adom.201700492 |
Keywords | hydrogenation, mid-infrared, plasmonics, polaritons, semiconductors |
Publisher URL | https://doi.org/10.1002/adom.201700492 |
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Paola_et_al-2018-Advanced_Optical_Materials.pdf
(3 Mb)
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Publisher Licence URL
https://creativecommons.org/licenses/by-nc/4.0/
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