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Proceedings Paper

Plasmonic bio-sensing based on highly doped semiconductors
Author(s): Thierry Taliercio; Fernando Gonzalez-Posada Flores; Franziska B. Barho; María José Milla-Rodrigo; Mario Bomers; Laurent Cerutti; Eric Tournié
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Paper Abstract

Highly doped semiconductors, such as Si-doped InAsSb, are promising alternative materials for plasmonic application in the mid-infrared spectral range because they benefit from compatibility with silicon technology, from low losses and from tunable permittivity. We propose to detail what are the main advantages of InAsSb:Si compared to noble metals and how they can be used for bio-sensing applications. We demonstrate that 1-D InAsSb:Si ribbon arrays outperform 1- D gold ribbon arrays because of the latter uses little the lightning rod effect. In the case of 2-D nano-antenna arrays, it is possible to exploit a strong polarization dependent resonance to cover a large spectral range for sensing. Finally, we demonstrate that the highly doped semiconductor 1-D ribbon arrays and 2-D nano-antenna arrays allow surface plasmon resonance (SPR) sensing and surface-enhanced infrared absorption (SEIRA).

Paper Details

Date Published: 29 August 2017
PDF: 10 pages
Proc. SPIE 10353, Optical Sensing, Imaging, and Photon Counting: Nanostructured Devices and Applications 2017, 103530S (29 August 2017); doi: 10.1117/12.2274303
Show Author Affiliations
Thierry Taliercio, Univ. Montpellier, Institut d'Electronique et des Systèmes, CNRS (France)
Fernando Gonzalez-Posada Flores, Univ. Montpellier, Institut d'Electronique et des Systèmes, CNRS (France)
Franziska B. Barho, Univ. Montpellier, Institut d'Electronique et des Systèmes, CNRS (France)
María José Milla-Rodrigo, Univ. Montpellier, Institut d'Electronique et des Systèmes, CNRS (France)
Mario Bomers, Univ. Montpellier, Institut d'Electronique et des Systèmes, CNRS (France)
Laurent Cerutti, Univ. Montpellier, Institut d'Electronique et des Systèmes, CNRS (France)
Eric Tournié, Univ. Montpellier, Institut d'Electronique et des Systèmes, CNRS (France)


Published in SPIE Proceedings Vol. 10353:
Optical Sensing, Imaging, and Photon Counting: Nanostructured Devices and Applications 2017
Manijeh Razeghi; Oleg Mitrofanov; José Luis Pau Vizcaíno; Chee Hing Tan, Editor(s)

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