A strongly interacting, two-dimensional, dipolar spin ensemble in (111)-oriented diamond
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866913851526610944 |
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| author | Hughes, Lillian B. Meynell, Simon A. Wu, Weijie Parthasarathy, Shreyas Chen, Lingjie Zhang, Zhiran Wang, Zilin Davis, Emily J. Mukherjee, Kunal Yao, Norman Y. Jayich, Ania C. Bleszynski |
| author_facet | Hughes, Lillian B. Meynell, Simon A. Wu, Weijie Parthasarathy, Shreyas Chen, Lingjie Zhang, Zhiran Wang, Zilin Davis, Emily J. Mukherjee, Kunal Yao, Norman Y. Jayich, Ania C. Bleszynski |
| contents | Systems of spins with strong dipolar interactions and controlled dimensionality enable new explorations in quantum sensing and simulation. In this work, we investigate the creation of strong dipolar interactions in a two-dimensional ensemble of nitrogen-vacancy (NV) centers generated via plasma-enhanced chemical vapor deposition (PECVD) on (111)-oriented diamond substrates. We find that diamond growth on the (111) plane yields high incorporation of spins, both nitrogen and NV centers, where the density of the latter is tunable via the miscut of the diamond substrate. Our process allows us to form dense, preferentially aligned, 2D NV ensembles with volume-normalized AC sensitivity down to $η_{AC}$ = 810 pT um$^{3/2}$ Hz$^{-1/2}$. Furthermore, we show that (111) affords maximally positive dipolar interactions amongst a 2D NV ensemble, which is crucial for leveraging dipolar-driven entanglement schemes and exploring new interacting spin physics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_10075 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A strongly interacting, two-dimensional, dipolar spin ensemble in (111)-oriented diamond Hughes, Lillian B. Meynell, Simon A. Wu, Weijie Parthasarathy, Shreyas Chen, Lingjie Zhang, Zhiran Wang, Zilin Davis, Emily J. Mukherjee, Kunal Yao, Norman Y. Jayich, Ania C. Bleszynski Quantum Physics Materials Science Systems of spins with strong dipolar interactions and controlled dimensionality enable new explorations in quantum sensing and simulation. In this work, we investigate the creation of strong dipolar interactions in a two-dimensional ensemble of nitrogen-vacancy (NV) centers generated via plasma-enhanced chemical vapor deposition (PECVD) on (111)-oriented diamond substrates. We find that diamond growth on the (111) plane yields high incorporation of spins, both nitrogen and NV centers, where the density of the latter is tunable via the miscut of the diamond substrate. Our process allows us to form dense, preferentially aligned, 2D NV ensembles with volume-normalized AC sensitivity down to $η_{AC}$ = 810 pT um$^{3/2}$ Hz$^{-1/2}$. Furthermore, we show that (111) affords maximally positive dipolar interactions amongst a 2D NV ensemble, which is crucial for leveraging dipolar-driven entanglement schemes and exploring new interacting spin physics. |
| title | A strongly interacting, two-dimensional, dipolar spin ensemble in (111)-oriented diamond |
| topic | Quantum Physics Materials Science |
| url | https://arxiv.org/abs/2404.10075 |