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

doi:10.1117/12.2692902

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

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.

Conference Presentation

Citation Download Citation

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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