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Integrated photonics for infrared spectroscopic sensing

Author(s)
Yadav, Anupama; Richardson, Kathleen; Lin, Hongtao; Kita, Derek M.; Han, Zhaohong; Su, Peter; Agarwal, Anuradha; Gu, Tian; Hu, Juejun; ... Show more Show less
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Abstract
Infrared (IR) spectroscopy is widely recognized as a gold standard technique for chemical analysis. Traditional IR spectroscopy relies on fragile bench-Top instruments located in dedicated laboratory settings, and is thus not suitable for emerging field-deployed applications such as in-line industrial process control, environmental monitoring, and point-ofcare diagnosis. Recent strides in photonic integration technologies provide a promising route towards enabling miniaturized, rugged platforms for IR spectroscopic analysis. Chalcogenide glasses, the amorphous compounds containing S, Se or Te, have stand out as a promising material for infrared photonic integration given their broadband infrared transparency and compatibility with silicon photonic integration. In this paper, we discuss our recent work exploring integrated chalcogenide glass based photonic devices for IR spectroscopic chemical analysis, including on-chip cavityenhanced chemical sensing and monolithic integration of mid-IR waveguides with photodetectors.
Date issued
2017-05
URI
http://hdl.handle.net/1721.1/111844
Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Journal
Proceedings of SPIE--the Society of Photo-Optical Instrumentation Engineers
Publisher
SPIE
Citation
Lin, Hongtao et al. “Integrated Photonics for Infrared Spectroscopic Sensing .” Edited by Jean-Marc Fédéli and Laurent Vivien. Proceedings of SPIE, Integrated Photonics: Materials, Devices, and Applications IV, 10249 (May 2017): 1-13 © COPYRIGHT SPIE.
Version: Final published version

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