Optically detected nuclear magnetic resonance of carbon-13 in bulk diamond
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2026
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| author | Aiello, Maxwell D. Smits, Janis Silani, Yaser Berzins, Andris Lidsky, David Richards, Bryan A. Perez, Amilcar Jeronimo Ramanathan, Chandrasekhar Carrasco, Sebastián C. Chathanathil, Jabir Goerz, Michael Malinovsky, Vladimir Budker, Dmitry Lourette, Sean Jarmola, Andrey Acosta, Victor M. |
| author_facet | Aiello, Maxwell D. Smits, Janis Silani, Yaser Berzins, Andris Lidsky, David Richards, Bryan A. Perez, Amilcar Jeronimo Ramanathan, Chandrasekhar Carrasco, Sebastián C. Chathanathil, Jabir Goerz, Michael Malinovsky, Vladimir Budker, Dmitry Lourette, Sean Jarmola, Andrey Acosta, Victor M. |
| contents | Precision measurements based on optically detected nuclear magnetic resonance offer exquisite sensitivity to absolute shifts in spin transition frequencies, with potential applications in fundamental physics experiments and inertial sensing. We investigate 13C nuclear spins in diamond as a candidate system for solid-state implementations, which hold the promise for high-fidelity readout of large numbers of coherent nuclear spins in millitesla or lower magnetic fields. We demonstrate a technique that allows for both optical polarization and readout of large ensembles of ~10^{16} polarized nuclear spins. Our method takes advantage of state-selective Landau-Zener transitions under microwave frequency sweeping, which bidirectionally transfer spin polarization between Nitrogen-Vacancy (NV) electron spins and remote 13C nuclear spins. Using natural isotopic abundance diamonds with nitrogen densities of ~0.5-10 ppm, we perform optically-detected 13C Ramsey spectroscopy and realize a nuclear-spin-dependent fluorescence contrast exceeding 0.5% peak-to-peak. We observe nuclear spin dephasing times T2*~2 ms that only modestly improve with homonuclear dipolar decoupling, indicating that they are limited by the longitudinal spin relaxation of nearby NV electron spins. We study the magnetic field dependence of the optical readout and find comparable contrast and dephasing times for magnetic fields in the range 8-20 mT. Our method can be interpreted as a type of repetitive readout, where each NV center optically reads out the spin state of ~100 nuclei before nuclear spins depolarize. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_00152 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Optically detected nuclear magnetic resonance of carbon-13 in bulk diamond Aiello, Maxwell D. Smits, Janis Silani, Yaser Berzins, Andris Lidsky, David Richards, Bryan A. Perez, Amilcar Jeronimo Ramanathan, Chandrasekhar Carrasco, Sebastián C. Chathanathil, Jabir Goerz, Michael Malinovsky, Vladimir Budker, Dmitry Lourette, Sean Jarmola, Andrey Acosta, Victor M. Quantum Physics Mesoscale and Nanoscale Physics Atomic Physics Instrumentation and Detectors Optics Precision measurements based on optically detected nuclear magnetic resonance offer exquisite sensitivity to absolute shifts in spin transition frequencies, with potential applications in fundamental physics experiments and inertial sensing. We investigate 13C nuclear spins in diamond as a candidate system for solid-state implementations, which hold the promise for high-fidelity readout of large numbers of coherent nuclear spins in millitesla or lower magnetic fields. We demonstrate a technique that allows for both optical polarization and readout of large ensembles of ~10^{16} polarized nuclear spins. Our method takes advantage of state-selective Landau-Zener transitions under microwave frequency sweeping, which bidirectionally transfer spin polarization between Nitrogen-Vacancy (NV) electron spins and remote 13C nuclear spins. Using natural isotopic abundance diamonds with nitrogen densities of ~0.5-10 ppm, we perform optically-detected 13C Ramsey spectroscopy and realize a nuclear-spin-dependent fluorescence contrast exceeding 0.5% peak-to-peak. We observe nuclear spin dephasing times T2*~2 ms that only modestly improve with homonuclear dipolar decoupling, indicating that they are limited by the longitudinal spin relaxation of nearby NV electron spins. We study the magnetic field dependence of the optical readout and find comparable contrast and dephasing times for magnetic fields in the range 8-20 mT. Our method can be interpreted as a type of repetitive readout, where each NV center optically reads out the spin state of ~100 nuclei before nuclear spins depolarize. |
| title | Optically detected nuclear magnetic resonance of carbon-13 in bulk diamond |
| topic | Quantum Physics Mesoscale and Nanoscale Physics Atomic Physics Instrumentation and Detectors Optics |
| url | https://arxiv.org/abs/2605.00152 |