Abstract
We present recent progress in monolithic mid-infrared photonic integrated circuits (PICs) for sensitive and selective real-time analysis of liquids. Our lab-on-a-chip spectrometers are based on quantum cascade (QC) technology using advanced plasmonic sensing schemes. We further demonstrate surface-passivation/-functionalization and on-chip beam guiding capabilities for future complex PIC geometries.
© 2023 The Author(s)
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