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Título: | High precision integrated photonic thermometry enabled by a transfer printed diamond resonator on GaN waveguide chip |
Autor: | Smith, Jack A.; Hill, Paul; Klitis, Charalambos; Weituschat, Lukas Max CSIC ORCID; Postigo, Pablo Aitor CSIC ORCID; Sorel, Marc; Dawson, Martin D.; Strain, Michael J. | Fecha de publicación: | 2021 | Editor: | Optical Society of America | Citación: | Optics Express 29(18): 29095-29106 (2021) | Resumen: | We demonstrate a dual-material integrated photonic thermometer, fabricated by high accuracy micro-transfer printing. A freestanding diamond micro-disk resonator is printed in close proximity to a gallium nitride on a sapphire racetrack resonator, and respective loaded Q factors of 9.1 × 104 and 2.9 × 104 are measured. We show that by using two independent wide-bandgap materials, tracking the thermally induced shifts in multiple resonances, and using optimized curve fitting tools the measurement error can be reduced to 9.2 mK. Finally, for the GaN, in a continuous acquisition measurement we record an improvement in minimum Allan variance, occurring at an averaging time four times greater than a comparative silicon device, indicating better performance over longer time scales. | Versión del editor: | http://dx.doi.org/10.1364/OE.433607 | URI: | http://hdl.handle.net/10261/265729 | DOI: | 10.1364/OE.433607 | Identificadores: | doi: 10.1364/OE.433607 e-issn: 1094-4087 |
Aparece en las colecciones: | (IMN-CNM) Artículos |
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oe-29-18-29095.pdf | 5,08 MB | Adobe PDF | Visualizar/Abrir |
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