Rapidly Enhanced Spin-Polarization Injection in an Optically Pumped Spin Ratchet

Adrisha, Sarkar,; Blankenship, Brian; Druga, Emanuel; Pillai, Arjun; Nirodi, Ruhee; Singh, Siddharth; Oddo, Alexander; Reshetikhin, Paul; Ajoy, Ashok

doi:10.1103/physrevapplied.18.034079

Cited by 6 publications

(1 citation statement)

References 60 publications

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“…Applying widefield excitation of the NV − centers would enable larger effective viewing areas of the bubble-printed nanodiamond structures-further increasing the sensing area and enabling larger-scale thermometry applications. Likewise, the methods demonstrated here are compatible with complementary uses of NDs, including for the spatially localized production of 13 C nuclear hyperpolarization within the diamond, 55,56 and its use for high-field magnetometry. 57 Herein, we demonstrate high-resolution deposition of nanodiamonds into intricate 2D patterns by a direct laserwriting bubble printing technique.…”

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confidence: 82%

Spatially Resolved Quantum Sensing with High-Density Bubble-Printed Nanodiamonds

Blankenship,

Li,

Jones

et al. 2024

Nano Lett.

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Nitrogen-vacancy (NV − ) centers in nanodiamonds have emerged as a versatile platform for a wide range of applications, including bioimaging, photonics, and quantum sensing. However, the widespread adoption of nanodiamonds in practical applications has been hindered by the challenges associated with patterning them into high-resolution features with sufficient throughput. In this work, we overcome these limitations by introducing a direct laser-writing bubble printing technique that enables the precise fabrication of two-dimensional nanodiamond patterns. The printed nanodiamonds exhibit a high packing density and strong photoluminescence emission, as well as robust optically detected magnetic resonance (ODMR) signals.We further harness the spatially resolved ODMR of the nanodiamond patterns to demonstrate the mapping of two-dimensional temperature gradients using high frame rate widefield lock-in fluorescence imaging. This capability paves the way for integrating nanodiamond-based quantum sensors into practical devices and systems, opening new possibilities for applications involving high-resolution thermal imaging and biosensing.

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confidence: 82%

Spatially Resolved Quantum Sensing with High-Density Bubble-Printed Nanodiamonds

Blankenship,

Li,

Jones

et al. 2024

Nano Lett.

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Theoretical study of superradiant masing with solid-state spins at room temperature

Wu,

Zhang,

et al. 2024

Sci. China Phys. Mech. Astron.

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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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Rapidly Enhanced Spin-Polarization Injection in an Optically Pumped Spin Ratchet

Cited by 6 publications

References 60 publications

Spatially Resolved Quantum Sensing with High-Density Bubble-Printed Nanodiamonds

Spatially Resolved Quantum Sensing with High-Density Bubble-Printed Nanodiamonds

Theoretical study of superradiant masing with solid-state spins at room temperature

High field magnetometry with hyperpolarized nuclear spins

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