Optically detected nuclear magnetic resonance of coherent spins in a molecular complex
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866909764030562304 |
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| author | Vasilenko, Evgenij Chorakkunnath, Vishnu Unni Resch, Jeremias Jobbitt, Nicholas Serrano, Diana Goldner, Philippe Kuppusamy, Senthil Kumar Ruben, Mario Hunger, David |
| author_facet | Vasilenko, Evgenij Chorakkunnath, Vishnu Unni Resch, Jeremias Jobbitt, Nicholas Serrano, Diana Goldner, Philippe Kuppusamy, Senthil Kumar Ruben, Mario Hunger, David |
| contents | Nuclear magnetic resonance (NMR) is a powerful tool for applications ranging from chemical analysis to quantum information processing. Achieving optical initialization and detection of molecular nuclear spins promises new opportunities - including improved NMR signals at low magnetic field, sensitivity down to the single-molecule level, and full access to atomically precise molecular architectures for quantum technologies. In this study, we report optical readout of coherently controlled nuclear spins in a europium-based molecular crystal. By harnessing ultra-narrow optical transitions, we achieve optical initialization and detection of nuclear spin states. Through radio-frequency driving, we address two nuclear quadrupole resonances, characterized by narrow inhomogeneous linewidths and a distinct correlation with the optical transition frequency. We implement Rabi oscillations, spin echo and dynamical decoupling techniques, achieving nuclear spin quantum coherence with a lifetime of up to 2 ms. These results highlight the capabilities of optically detected NMR (ODNMR) and underscore the potential of molecular nuclear spins for quantum information processing. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_01467 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Optically detected nuclear magnetic resonance of coherent spins in a molecular complex Vasilenko, Evgenij Chorakkunnath, Vishnu Unni Resch, Jeremias Jobbitt, Nicholas Serrano, Diana Goldner, Philippe Kuppusamy, Senthil Kumar Ruben, Mario Hunger, David Quantum Physics Optics Nuclear magnetic resonance (NMR) is a powerful tool for applications ranging from chemical analysis to quantum information processing. Achieving optical initialization and detection of molecular nuclear spins promises new opportunities - including improved NMR signals at low magnetic field, sensitivity down to the single-molecule level, and full access to atomically precise molecular architectures for quantum technologies. In this study, we report optical readout of coherently controlled nuclear spins in a europium-based molecular crystal. By harnessing ultra-narrow optical transitions, we achieve optical initialization and detection of nuclear spin states. Through radio-frequency driving, we address two nuclear quadrupole resonances, characterized by narrow inhomogeneous linewidths and a distinct correlation with the optical transition frequency. We implement Rabi oscillations, spin echo and dynamical decoupling techniques, achieving nuclear spin quantum coherence with a lifetime of up to 2 ms. These results highlight the capabilities of optically detected NMR (ODNMR) and underscore the potential of molecular nuclear spins for quantum information processing. |
| title | Optically detected nuclear magnetic resonance of coherent spins in a molecular complex |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2509.01467 |