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

Paola, D.M.D, Velichko, A, Bomers, Mario, Balakrishnan, Nilanthy, Makarovsky, Oleg, Capizzi, Mario, Cerutti, Laurent, Baranov, A.N., Kesaria, Manoj ORCID: https://orcid.org/0000-0003-1664-0806, Krier, A, Taliercio, Thierry and Patane, A 2018. Optical detection and spatial modulation of mid‐infrared surface plasmon polaritons in a highly doped semiconductor. Advanced Optical Materials 6 , pp. 1700492-1700499. 10.1002/adom.201700492

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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). 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.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QC Physics
Publisher:	Wiley
ISSN:	2195-1071
Related URLs:	Publisher
Date of First Compliant Deposit:	10 August 2018
Date of Acceptance:	1 December 2017
Last Modified:	05 May 2023 09:46
URI:	https://orca.cardiff.ac.uk/id/eprint/114061

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