Optical detection and spatial modulation of mid-infrared surface plasmon polaritons in a highly doped semiconductor

Di Paola, D.M. and Velichko, Anton V. and Bomers, Mario and Balakrishnan, Nilanthy and Makarovsky, Oleg and Capizzi, Mario and Cerutti, Laurent and Baranov, Alexei N. and Kesaria, M. and Krier, A. and Taliercio, Thierry and Patanè, Amalia (2018) Optical detection and spatial modulation of mid-infrared surface plasmon polaritons in a highly doped semiconductor. Advanced Optical Materials, 6 (3). 1700492/1-1700492/7. ISSN 2195-1071

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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). Post-growth 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 photo-annealing 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.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/909974
Keywords: plasmonics, semiconductors, InAs, mid-infrared, hydrogen
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: https://doi.org/10.1002/adom.201700492
Depositing User: Eprints, Support
Date Deposited: 20 Nov 2017 12:22
Last Modified: 04 May 2020 19:30
URI: http://eprints.nottingham.ac.uk/id/eprint/48246

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