Advances in photonic and optomechanical thermometry

Pablo A. Postigo

doi:10.1117/12.2633745

3 October 2022 Advances in photonic and optomechanical thermometry

Pablo A. Postigo

Author Affiliations +

Proceedings Volume PC12196, Active Photonic Platforms 2022; PC121961I (2022) https://doi.org/10.1117/12.2633745
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Integrated optics is an exciting platform to achieve optical measurement of T in the micro and nanoscale with high accuracy and reliability. Nevertheless, silicon microrings are affected by two-photon absorption (TPA) that limits the sensitivity of the devices because of self-heating. Wide-bandgap materials can overcome this problem. In this talk I will present some examples of the use of GaN and diamond-based microdisks that surpass the limits of silicon-based microrings. Also, silicon nitride nanomembranes have been used to obtain high-temperature resolution down to 15 K at room T.

Conference Presentation

Citation Download Citation

Pablo A. Postigo "Advances in photonic and optomechanical thermometry", Proc. SPIE PC12196, Active Photonic Platforms 2022, PC121961I (3 October 2022); https://doi.org/10.1117/12.2633745

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