Localization and coherent control of 25 nuclear spins in Silicon Carbide
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918261024620544 |
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| author | Kuna, Pierre Hesselmeier-Hüttmann, Erik Schillinger, Phillip Gloistein, Felix Takács, István Ivády, Viktor Knolle, Wolfgang Ul-Hassan, Jawad Wrachtrup, Jörg Vorobyov, Vadim |
| author_facet | Kuna, Pierre Hesselmeier-Hüttmann, Erik Schillinger, Phillip Gloistein, Felix Takács, István Ivády, Viktor Knolle, Wolfgang Ul-Hassan, Jawad Wrachtrup, Jörg Vorobyov, Vadim |
| contents | Optically addressable spin defects are excellent candidate platform for quantum sensing and quantum network. Nuclear spins coupled to color centers naturally enable long lived quantum memories and local qubits registers. To fully leverage this potential precise characterization of the surrounding nuclear-spin environment augmented with refined DFT models is required. In this work, we report angstrom-level 3D localization of 25 nuclear spins around a single V2 center in 4H Silicon Carbide. Utilizing specially placed robust nuclear memory as a highly efficient readout ancilla for readout, we apply correlation based spectroscopy and by selecting multi-spin chains up to length four, we access and characterize extended nuclear spin cluster. Using the coupling map we reconstruct their couplings to the central electron spin and neighboring nuclei. This work paves the way towards advanced quantum register applications on Silicon Carbide platform. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_20281 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Localization and coherent control of 25 nuclear spins in Silicon Carbide Kuna, Pierre Hesselmeier-Hüttmann, Erik Schillinger, Phillip Gloistein, Felix Takács, István Ivády, Viktor Knolle, Wolfgang Ul-Hassan, Jawad Wrachtrup, Jörg Vorobyov, Vadim Quantum Physics Optics Optically addressable spin defects are excellent candidate platform for quantum sensing and quantum network. Nuclear spins coupled to color centers naturally enable long lived quantum memories and local qubits registers. To fully leverage this potential precise characterization of the surrounding nuclear-spin environment augmented with refined DFT models is required. In this work, we report angstrom-level 3D localization of 25 nuclear spins around a single V2 center in 4H Silicon Carbide. Utilizing specially placed robust nuclear memory as a highly efficient readout ancilla for readout, we apply correlation based spectroscopy and by selecting multi-spin chains up to length four, we access and characterize extended nuclear spin cluster. Using the coupling map we reconstruct their couplings to the central electron spin and neighboring nuclei. This work paves the way towards advanced quantum register applications on Silicon Carbide platform. |
| title | Localization and coherent control of 25 nuclear spins in Silicon Carbide |
| topic | Quantum Physics Optics |
| url | https://arxiv.org/abs/2512.20281 |