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13 March 2024 High performance hybrid integrated 2-3 µm wavelength lasers for gas- and bio-sensing
Jukka Viheriälä, Samu-Pekka Ojanen, Nouman Zia, Heidi Tuorila, Ajwaad Quashef, Joonas Hilska, Markus Peil, Mircea Guina
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Proceedings Volume PC12889, Integrated Optics: Devices, Materials, and Technologies XXVIII; PC128890X (2024) https://doi.org/10.1117/12.2692902
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
We present state of the art hybrid integrated GaSb/Si3N4 light sources towards building miniaturized and affordable sensors. Presented laser configurations include: 1) Widely tunable 2.7 µm wavelength laser with 170 nm continuous tuning range. 2) Discretely tunable laser for simultaneously multiwavelength spectroscopy of S2H, H2O and CO2-gasses with greatly simplified calibration procedure compared to conventional tunable lasers. 3) Lasers with ultra-pure spectrum at 2 µm wavelength reaching down to 6 kHz-linewidth towards use in atom spectroscopy or to seed advanced lasers. Used configurations and material systems are wavelength agnostic in 1.9 – 3 µm range and therefore capable to capture wide range of applications. We discuss about applications in environmental and industrial gas sensing and detection of biomarkers such as lactate, urea and glucose.
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Jukka Viheriälä, Samu-Pekka Ojanen, Nouman Zia, Heidi Tuorila, Ajwaad Quashef, Joonas Hilska, Markus Peil, and Mircea Guina "High performance hybrid integrated 2-3 µm wavelength lasers for gas- and bio-sensing", Proc. SPIE PC12889, Integrated Optics: Devices, Materials, and Technologies XXVIII, PC128890X (13 March 2024); https://doi.org/10.1117/12.2692902
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KEYWORDS
Tunable lasers
Biosensing
Laser applications
Gallium antimonide
Industrial applications
Light sources
Photonic integrated circuits
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