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30 November 2023 GaN laser diodes for the development of quantum sensing and timing systems
S. P. Najda, P. Perlin, T. Suski, S. Stanczyk, A. Kafar, M. Leszczyński, T. Slight, S. Gwyn, S. Watson, A. E. Kelly, M. Knapp, M. Haji
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Proceedings Volume 12795, Quantum Technology: Driving Commercialisation of an Enabling Science IV; 1279507 (2023) https://doi.org/10.1117/12.2691754
Event: SPIE Photonex, 2023, Glasgow, United Kingdom
Abstract
Quantum technologies containing key GaN laser components will enable a new generation of precision sensors, optical atomic clocks and secure communication systems for many applications such as next generation navigation, gravity mapping and timing since the AlGaInN material system allows for laser diodes to be fabricated over a wide range of wavelengths from the U.V. to the visible. We report our latest results on a range of AlGaInN diode-lasers targeted to meet the linewidth, wavelength and power requirements suitable for quantum sensors such as optical clocks and cold-atom interferometry systems. This includes the [5s2S1/2-5p2P1/2] cooling transition in strontium+ ion optical clocks at 422 nm, the [5s2 1S0-5p1P1] cooling transition in neutral strontium clocks at 461 nm and the [5s2 s1/2 – 6p2P3/2] transition in rubidium at 420 nm. Several approaches are taken to achieve the required linewidth, wavelength and power, including an Extended Cavity Laser Diode (ECLD) system and an on-chip grating, distributed feedback (DFB) GaN laser diode.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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S. P. Najda, P. Perlin, T. Suski, S. Stanczyk, A. Kafar, M. Leszczyński, T. Slight, S. Gwyn, S. Watson, A. E. Kelly, M. Knapp, and M. Haji "GaN laser diodes for the development of quantum sensing and timing systems", Proc. SPIE 12795, Quantum Technology: Driving Commercialisation of an Enabling Science IV, 1279507 (30 November 2023); https://doi.org/10.1117/12.2691754
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KEYWORDS
Gallium nitride
Semiconductor lasers
Quantum systems
Emission wavelengths
Quantum sensing
Strontium
Laser systems engineering
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