Demonstration of diamond nuclear spin gyroscope

Jarmola, Andrey; Lourette, Sean; Acosta, Víctor M.; Birdwell, A. Glen; Blümler, Peter; Budker, Dmitry; Ivanov, Tony; Malinovsky, Vladimir S.

doi:10.1126/sciadv.abl3840

Cited by 40 publications

(24 citation statements)

References 41 publications

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“…It is intriguing to consider sensor platforms constructed in optically-active molecular systems 64 where abundant, long-lived nuclear spins, can be initialized via interactions with electronic spin centers. Finally, we envision technological applications of the 13 C sensors described here for bulk magnetometry 65 , sensors underwater and in scattering media, and for spin gyroscopes 66 – 69 .…”

Section: Discussionmentioning

confidence: 99%

High field magnetometry with hyperpolarized nuclear spins

et al. 2022

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Quantum sensors have attracted broad interest in the quest towards sub-micronscale NMR spectroscopy. Such sensors predominantly operate at low magnetic fields. Instead, however, for high resolution spectroscopy, the high-field regime is naturally advantageous because it allows high absolute chemical shift discrimination. Here we demonstrate a high-field spin magnetometer constructed from an ensemble of hyperpolarized 13C nuclear spins in diamond. They are initialized by Nitrogen Vacancy (NV) centers and protected along a transverse Bloch sphere axis for minute-long periods. When exposed to a time-varying (AC) magnetic field, they undergo secondary precessions that carry an imprint of its frequency and amplitude. For quantum sensing at 7T, we demonstrate detection bandwidth up to 7 kHz, a spectral resolution < 100mHz, and single-shot sensitivity of 410pT$$/\sqrt{{{{{{{{\rm{Hz}}}}}}}}}$$ / Hz . This work anticipates opportunities for microscale NMR chemical sensors constructed from hyperpolarized nanodiamonds and suggests applications of dynamic nuclear polarization (DNP) in quantum sensing.

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Section: Discussionmentioning

confidence: 99%

High field magnetometry with hyperpolarized nuclear spins

et al. 2022

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“…Another convenient option could be to hyperpolarize the native nitrogen nuclear spins associated with NV centers in diamond. This could provide the intriguing possibility to detect nuclear-nuclear interactions by performing quantum sensing on the nitrogen nuclear spins [61,62]. However, here we focus on 13 C nuclei owing to their high density.…”

Section: Nuclear-spin-polarized Diamond Test Massmentioning

confidence: 99%

Proposal for the search for new spin interactions at the micrometer scale using diamond quantum sensors

Chu,

Ristoff,

Smits

et al. 2021

Preprint

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For decades, searches for exotic spin interactions have used increasingly-precise laboratory measurements to test various theoretical models of particle physics. However, most searches have focused on interaction length scales of 1 mm, corresponding to hypothetical boson masses of 0.2 meV. Recently, quantum sensors based on Nitrogen-Vacancy (NV) centers in diamond have emerged as a promising platform to probe spin interactions at the micrometer scale, opening the door to explore new physics at this length scale. Here, we propose experiments to search for several hypothetical interactions between NV electron spins and moving masses. We focus on potential interactions involving the coupling of NV spin ensembles to both spin-polarized and unpolarized masses attached to vibrating mechanical oscillators. For each interaction, we estimate the sensitivity, identify optimal experimental conditions, and analyze potential systematic errors. Using multi-pulse quantum sensing protocols with NV spin ensembles to improve sensitivity, we project new constraints that are 5 orders-of-magnitude improvement over previous constraints at the micrometer scale. We also identify a spin-polarized test mass, based on hyperpolarized 13 C nuclear spins in a thin diamond membrane, which offers a favorable combination of high spin density and low stray magnetic fields. Our analysis is timely in light of a recent preprint [1] reporting a surprising non-zero result of µm-scale spin-velocity interactions.

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“…For nanodiamonds having significant line broadening due to their random orientation, frequency-swept microwave irradiation [ 21 , 22 , 23 , 24 ] has been applied. Hyperpolarization of

C nuclear spins in diamond may open up new applications in quantum metrology, e.g., a high-field magnetometer [ 27 , 28 ] and a solid-state nuclear spin gyroscope [ 29 ]. Moreover, hyperpolarized nanodiamonds have a potential application in molecule-targeted in vivo imaging with the advantage of long spin life times [ 30 , 31 , 32 , 33 , 34 ].…”

Section: Introductionmentioning

confidence: 99%

Optical Dynamic Nuclear Polarization of 13C Spins in Diamond at a Low Field with Multi-Tone Microwave Irradiation

Kavtanyuk

Lee

et al. 2022

Molecules

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Majority of dynamic nuclear polarization (DNP) experiments have been requiring helium cryogenics and strong magnetic fields for a high degree of nuclear polarization. In this work, we instead demonstrate an optical hyperpolarization of naturally abundant 13C nuclei in a diamond crystal at a low magnetic field and the room temperature. It exploits continuous laser irradiation for polarizing electronic spins of nitrogen vacancy centers and microwave irradiation for transferring the electronic polarization to 13C nuclear spins. We have studied the dependence of 13C polarization on laser and microwave powers. For the first time, a triplet structure corresponding to the 14N hyperfine splitting has been observed in the 13C polarization spectrum. By simultaneously exciting three microwave frequencies at the peaks of the triplet, we have achieved 13C bulk polarization of 0.113 %, leading to an enhancement of 90,000 over the thermal polarization at 17.6 mT. We believe that the multi-tone irradiation can be extended to further enhance the 13C polarization at a low magnetic field.

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Demonstration of diamond nuclear spin gyroscope

Abstract: Diamond defects, previously applied in measurement of electromagnetic fields and temperature, can now be used to sense rotations.

Cited by 40 publications

References 41 publications

High field magnetometry with hyperpolarized nuclear spins

High field magnetometry with hyperpolarized nuclear spins

Proposal for the search for new spin interactions at the micrometer scale using diamond quantum sensors

Optical Dynamic Nuclear Polarization of 13C Spins in Diamond at a Low Field with Multi-Tone Microwave Irradiation

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