Ultra-high strained diamond spin register with coherent optical control
Abstract Solid-state spin defects, such as color centers in diamond, are among the most promising candidates for scalable and integrated quantum technologies. In particular, the good optical properties of silicon-vacancy centers in diamond, combined with naturally occurring and exceptionally coheren...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Nature Portfolio
2025-06-01
|
| Series: | npj Quantum Information |
| Online Access: | https://doi.org/10.1038/s41534-025-01049-2 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849434229047296000 |
|---|---|
| author | Marco Klotz Andreas Tangemann Alexander Kubanek |
| author_facet | Marco Klotz Andreas Tangemann Alexander Kubanek |
| author_sort | Marco Klotz |
| collection | DOAJ |
| description | Abstract Solid-state spin defects, such as color centers in diamond, are among the most promising candidates for scalable and integrated quantum technologies. In particular, the good optical properties of silicon-vacancy centers in diamond, combined with naturally occurring and exceptionally coherent nuclear spins, serve as a building block for quantum networking applications. Here, we show that leveraging an ultra-high-strained silicon-vacancy center inside a nanodiamond allows us to coherently and efficiently control its electron spin, while mitigating phonon-induced dephasing at liquid helium temperature. Moreover, we indirectly control and characterize a 13C nuclear spin and establish a quantum register. We overcome limited nuclear spin initialization by implementing single-shot nuclear spin readout. Lastly, we demonstrate coherent optical control with GHz rates, thus opening a potential connection of the register to the optical domain. Our work paves the way for future integration of quantum network registers into conventional, well-established photonics and hybrid quantum communication systems. |
| format | Article |
| id | doaj-art-e00aed91398b482badbf5eb6af3b3daf |
| institution | Kabale University |
| issn | 2056-6387 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | npj Quantum Information |
| spelling | doaj-art-e00aed91398b482badbf5eb6af3b3daf2025-08-20T03:26:43ZengNature Portfolionpj Quantum Information2056-63872025-06-011111810.1038/s41534-025-01049-2Ultra-high strained diamond spin register with coherent optical controlMarco Klotz0Andreas Tangemann1Alexander Kubanek2Institute for Quantum Optics, Ulm UniversityInstitute for Quantum Optics, Ulm UniversityInstitute for Quantum Optics, Ulm UniversityAbstract Solid-state spin defects, such as color centers in diamond, are among the most promising candidates for scalable and integrated quantum technologies. In particular, the good optical properties of silicon-vacancy centers in diamond, combined with naturally occurring and exceptionally coherent nuclear spins, serve as a building block for quantum networking applications. Here, we show that leveraging an ultra-high-strained silicon-vacancy center inside a nanodiamond allows us to coherently and efficiently control its electron spin, while mitigating phonon-induced dephasing at liquid helium temperature. Moreover, we indirectly control and characterize a 13C nuclear spin and establish a quantum register. We overcome limited nuclear spin initialization by implementing single-shot nuclear spin readout. Lastly, we demonstrate coherent optical control with GHz rates, thus opening a potential connection of the register to the optical domain. Our work paves the way for future integration of quantum network registers into conventional, well-established photonics and hybrid quantum communication systems.https://doi.org/10.1038/s41534-025-01049-2 |
| spellingShingle | Marco Klotz Andreas Tangemann Alexander Kubanek Ultra-high strained diamond spin register with coherent optical control npj Quantum Information |
| title | Ultra-high strained diamond spin register with coherent optical control |
| title_full | Ultra-high strained diamond spin register with coherent optical control |
| title_fullStr | Ultra-high strained diamond spin register with coherent optical control |
| title_full_unstemmed | Ultra-high strained diamond spin register with coherent optical control |
| title_short | Ultra-high strained diamond spin register with coherent optical control |
| title_sort | ultra high strained diamond spin register with coherent optical control |
| url | https://doi.org/10.1038/s41534-025-01049-2 |
| work_keys_str_mv | AT marcoklotz ultrahighstraineddiamondspinregisterwithcoherentopticalcontrol AT andreastangemann ultrahighstraineddiamondspinregisterwithcoherentopticalcontrol AT alexanderkubanek ultrahighstraineddiamondspinregisterwithcoherentopticalcontrol |