GaN laser diodes for quantum sensing, optical atomic clocks, and quantum computing

Stephen P. Najda; Piotr Perlin; Tadek Suski; Szymon Stanczyk; Mike Leszczynski; Dario Schiavon; Thomas Slight; Steffan Gwyn; Scott Watson; Anthony Kelly; Martin Knapp; Mohsin Haji; David J. M. Stothard

doi:10.1117/12.2612039

30 May 2022 GaN laser diodes for quantum sensing, optical atomic clocks, and quantum computing

Stephen P. Najda, Piotr Perlin, Tadek Suski, Szymon Stanczyk, Mike Leszczynski, Dario Schiavon, Thomas Slight, Steffan Gwyn, Scott Watson, Anthony Kelly, Martin Knapp, Mohsin Haji, David J. M. Stothard

Author Affiliations +

Proceedings Volume PC12093, Quantum Information Science, Sensing, and Computation XIV; PC1209302 (2022) https://doi.org/10.1117/12.2612039
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States

Abstract

GaN laser diodes have the potential to be a key enabler for many quantum technologies, including quantum sensing, optical atomic clocks and ion-trap & neutral atom quantum computing, since the AlGaInN material system allows for laser diodes to be fabricated over a wide range of wavelengths from ultra-violet to visible, allowing the development of very high specification laser diode sources that are portable, robust and provide practical solutions that are otherwise unobtainable using more conventional laser sources. We report our latest results on a range of AlGaInN diode-lasers targeted to meet optical atomic clock and quantum gravity sensor applications. This includes the [5s2S1/2-5p2P1/2] cooling transition in strontium+ ion optical clocks at 422 nm, the [5s21S0-5p1P1] cooling transition in neutral strontium clocks at 461 nm and the [5s2s1/2 – 6p2P3/2] transition in rubidium at 420 nm.

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Stephen P. Najda, Piotr Perlin, Tadek Suski, Szymon Stanczyk, Mike Leszczynski, Dario Schiavon, Thomas Slight, Steffan Gwyn, Scott Watson, Anthony Kelly, Martin Knapp, Mohsin Haji, and David J. M. Stothard "GaN laser diodes for quantum sensing, optical atomic clocks, and quantum computing", Proc. SPIE PC12093, Quantum Information Science, Sensing, and Computation XIV, PC1209302 (30 May 2022); https://doi.org/10.1117/12.2612039

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