Ms. Galya Haim Profile

Galya Haim

at Hebrew Univ of Jerusalem

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Proceedings Article | 9 March 2023 Presentation

Radical and compressed sensing with an NV diamond platform

Nir Bar-Gill, Uri Banin, Yoav Ninio, Nir Waiskopf, Galya Haim, Shira Yochelis, Idan Meirzada, Yoav Romach, John Howell, Christofer Mullarkey

Proceedings Volume PC12447, PC124470K (2023) https://doi.org/10.1117/12.2657173

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Nitrogen Vacancy (NV) centers in diamond have emerged over the past few years as well-controlled quantum systems, with promising applications ranging from quantum information science to magnetic sensing. In this talk, I will describe new techniques for NV sensing – quantifying radical concentration and high-bandwidth compressed sensing. First, I will present our diamond magnetic microscope, enabling high-sensitivity and high-resolution magnetic sensing. I will demonstrate a novel technique we developed to characterize radical concentrations through their effect on the NVs (in collaboration with Uri Banin’s group). Then I will present a technique based on spectral compressed sensing, allowing high-bandwidth and large dynamic range magnetic sensing using NVs. We demonstrate the advantages of this approach and extend common compressed sensing schemes to practically “infinite resolution” in the frequency domain, further enhancing the the capabilities of our scheme.

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