A novel miniaturized mid-IR sensor for glucose detection using on-chip plasmonics and quantum cascade detectors (Conference Presentation)

Elena Arigliani; Mauro David; Erik Hinkelmann; Hedwig Knötig; Valeria Butera; Adam Konecny; Florian Pilat; Benedikt Schwarz; Gottfried Strasser; Hermann Detz; Borislav Hinkov

doi:10.1117/12.2650725

16 March 2023 A novel miniaturized mid-IR sensor for glucose detection using on-chip plasmonics and quantum cascade detectors (Conference Presentation)

Elena Arigliani, Mauro David, Erik Hinkelmann, Hedwig Knötig, Valeria Butera, Adam Konecny, Florian Pilat, Benedikt Schwarz, Gottfried Strasser, Hermann Detz, Borislav Hinkov

Author Affiliations +

Proceedings Volume PC12422, Oxide-based Materials and Devices XIV; PC124220Q (2023) https://doi.org/10.1117/12.2650725
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Mid-infrared optical sensors integrating plasmonic waveguides and quantum cascade optoelectronics are an emerging field of research leading to promising results in chemical sensing, environmental monitoring, and biomedical diagnosis. In this work, we investigate TiO2 as waveguiding material for mid-infrared surface plasmon polariton waveguides and show its potential for integrated sensors. Simulations reveal suitable TiO2 dimensions and diffraction grating couplers for ~4.3 µm light. Following these theoretical considerations, we fabricated such devices monolithically integrated with quantum cascade detectors (QCDs) and present their characterization. We further discuss their application in innovative biosensing experiments including glucose detection.

Conference Presentation

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Elena Arigliani, Mauro David, Erik Hinkelmann, Hedwig Knötig, Valeria Butera, Adam Konecny, Florian Pilat, Benedikt Schwarz, Gottfried Strasser, Hermann Detz, and Borislav Hinkov "A novel miniaturized mid-IR sensor for glucose detection using on-chip plasmonics and quantum cascade detectors (Conference Presentation)", Proc. SPIE PC12422, Oxide-based Materials and Devices XIV, PC124220Q (16 March 2023); https://doi.org/10.1117/12.2650725

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KEYWORDS

Sensors

Mid-IR

Glucose

Plasmonics

Titanium dioxide

Gold

Waveguides

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