Photonic integrated circuit assisted photothermal spectroscopy

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Date
2024-06-10
Authors
Ricchiuti, Giovanna
Walsh, Anton
Mendoza-Castro, Jesús Hernán
Vorobev, Artem S.
Kotlyar, Maria
Iadanza, Simone
Grande, Marco
Lendl, Bernhard
O’Faolain, Liam
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Institute of Electrical and Electronics Engineers (IEEE)
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Abstract
For the first time, we demonstrate on-chip photothermal spectroscopy of a liquid phase sample, namely water in isopropanol and will show how this technique can be used to realize compact highly sensitive and selective sensors for a range of analytes.
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Keywords
Photothermal spectroscopy , Silicon nitride , Refractive index sensing , Micro ring resonator , Optical sensing
Citation
Ricchiuti, G., Walsh, A., Mendoza-Castro, J. H., Vorobev, A. S., Kotlyar, M., Iadanza, S., Grande, M., Lendl, B. and O’Faolain, L. (2024) 'Photonic integrated circuit assisted photothermal spectroscopy', 2024 IEEE Silicon Photonics Conference (SiPhotonics), Tokyo Bay, Japan, 15-18 April. https://doi.org/10.1109/SiPhotonics60897.2024.10543917
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