On-Chip Dispersion Spectroscopy of CO2 Using a Mid-Infrared Microring Resonator

Floria Ottonello Briano; Carlos Errando-Herranz; Kristinn B. Gylfason

doi:10.1364/CLEO_SI.2020.STh1N.3

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper STh1N.3
•https://doi.org/10.1364/CLEO_SI.2020.STh1N.3

On-Chip Dispersion Spectroscopy of CO₂ Using a Mid-Infrared Microring Resonator

Floria Ottonello Briano, Carlos Errando-Herranz, and Kristinn B. Gylfason

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Chip Based Sensing (STh1N)

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F. O. Briano, C. Errando-Herranz, and K. B. Gylfason, "On-Chip Dispersion Spectroscopy of CO2 Using a Mid-Infrared Microring Resonator," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper STh1N.3.

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Abstract

We demonstrate on-chip molecular fingerprinting by measuring the refractive index dispersion of gas in the mid-IR using a thermally tuned suspended silicon microring resonator. We show CO₂ sensing down to 1000 ppm at 4.23 µm wavelength.

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