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Proceedings 2018, 2(13), 752; https://doi.org/10.3390/proceedings2130752

Narrow-Band Thermal Photonic Crystal Emitter for Mid-Infrared Applications

1
Carinthian Tech Research AG, Europastrasse 12, 9524 Villach, Austria
2
Institute for Microelectronics and Microsensors, Johannes Kepler University, 4040 Linz, Austria
Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
*
Author to whom correspondence should be addressed.
Published: 22 November 2018
(This article belongs to the Proceedings of Eurosensors 2018)
PDF [562 KB, uploaded 22 November 2018]

Abstract

Mid-infrared (MIR) on-chip sensing on Si has been a progressive topic of research in the recent years due to excitation of vibrational and rotational bands specific to materials in this range and their immunity against visible light and electromagnetic interferences. For on-chip applications, integration of all the optical components including the MIR source is crucial. In this work, we introduce a slab photonic crystal (PhC) thermal source where the birthplace and the filtering of the photons occur in the same region. Due to the forbidden frequency bands and high density of states in the band edge, it provides electric efficiency and filtering performance.
Keywords: photonic crystals; MIR thermal emitters; bandgap engineering; optical filters photonic crystals; MIR thermal emitters; bandgap engineering; optical filters
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Abasahl, B.; Jannesari, R.; Jakoby, B. Narrow-Band Thermal Photonic Crystal Emitter for Mid-Infrared Applications. Proceedings 2018, 2, 752.

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