Nanoscale covariance magnetometry with diamond quantum sensors
Nitrogen vacancy (NV) centers in diamond are atom-scale defects that can be used to sense magnetic fields with high sensitivity and spatial resolution. Typically, the magnetic field is measured by averaging sequential measurements of single NV centers, or by spatial averaging over ensembles of many...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2022-12, Vol.378 (6626), p.1301-1305 |
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| creator | Rovny, Jared Yuan, Zhiyang Fitzpatrick, Mattias Abdalla, Ahmed I Futamura, Laura Fox, Carter Cambria, Matthew Carl Kolkowitz, Shimon de Leon, Nathalie P |
| description | Nitrogen vacancy (NV) centers in diamond are atom-scale defects that can be used to sense magnetic fields with high sensitivity and spatial resolution. Typically, the magnetic field is measured by averaging sequential measurements of single NV centers, or by spatial averaging over ensembles of many NV centers, which provides mean values that contain no nonlocal information about the relationship between two points separated in space or time. Here, we propose and implement a sensing modality whereby two or more NV centers are measured simultaneously, and we extract temporal and spatial correlations in their signals that would otherwise be inaccessible. We demonstrate measurements of correlated applied noise using spin-to-charge readout of two NV centers and implement a spectral reconstruction protocol for disentangling local and nonlocal noise sources. |
| doi_str_mv | 10.1126/science.ade9858 |
| format | Article |
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Typically, the magnetic field is measured by averaging sequential measurements of single NV centers, or by spatial averaging over ensembles of many NV centers, which provides mean values that contain no nonlocal information about the relationship between two points separated in space or time. Here, we propose and implement a sensing modality whereby two or more NV centers are measured simultaneously, and we extract temporal and spatial correlations in their signals that would otherwise be inaccessible. We demonstrate measurements of correlated applied noise using spin-to-charge readout of two NV centers and implement a spectral reconstruction protocol for disentangling local and nonlocal noise sources.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.ade9858</identifier><identifier>PMID: 36548408</identifier><language>eng</language><publisher>United States: The American Association for the Advancement of Science</publisher><subject>Covariance ; Diamonds ; Magnetic fields ; Magnetic measurement ; Nitrogen ; Nitrogen defects ; OTHER INSTRUMENTATION ; Quantum sensors</subject><ispartof>Science (American Association for the Advancement of Science), 2022-12, Vol.378 (6626), p.1301-1305</ispartof><rights>Copyright © 2022 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. 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| identifier | ISSN: 0036-8075 |
| ispartof | Science (American Association for the Advancement of Science), 2022-12, Vol.378 (6626), p.1301-1305 |
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| language | eng |
| recordid | cdi_osti_scitechconnect_1909168 |
| source | Science Magazine |
| subjects | Covariance Diamonds Magnetic fields Magnetic measurement Nitrogen Nitrogen defects OTHER INSTRUMENTATION Quantum sensors |
| title | Nanoscale covariance magnetometry with diamond quantum sensors |
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