On-chip Spectroscopy of CO2 with MIR Waveguides

Kristinn B. Gylfason; Floria Ottonello-Briano; Carlos Errando-Herranz; Henrik Rodjegard; Hans Martin; Hans Sohlstrom

doi:10.1364/ES.2020.EM4C.3

Optics and Photonics for Sensing the Environment 2020

Washington, DC United States
22–26 June 2020
ISBN: 978-1-943580-78-1

From the session
On-chip Sensors (EM4C)

On-chip Spectroscopy of CO₂ with MIR Waveguides

Kristinn B. Gylfason, Floria Ottonello-Briano, Carlos Errando-Herranz, Henrik Rodjegard, Hans Martin, and Hans Sohlstrom

Optical Sensors and Sensing Congress
OSA Technical Digest (Optical Society of America, 2020),
paper EM4C.3
•https://doi.org/10.1364/ES.2020.EM4C.3

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K. B. Gylfason, F. Ottonello-Briano, C. Errando-Herranz, H. Rodjegard, H. Martin, and H. Sohlstrom, "On-chip Spectroscopy of CO2 with MIR Waveguides," in Optical Sensors and Sensing Congress, OSA Technical Digest (Optical Society of America, 2020), paper EM4C.3.

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Abstract

We review our recent work on spectroscopic sensing of carbon dioxide in the mid-infrarded region around 4.3 pm using suspended silicon waveguides. Our waveguides are built on standard silicon-on-insulator substrates and acheive high sensitivity to gas.

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