Quantum Networks Using Color Defects in Diamond: Principles, Progress, and Perspectives
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866911728500998144 |
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| author | Majumder, Ayan Torun, Cem Güney Schröder, Tim Pieplow, Gregor Kumar, Prem Saha, Kasturi |
| author_facet | Majumder, Ayan Torun, Cem Güney Schröder, Tim Pieplow, Gregor Kumar, Prem Saha, Kasturi |
| contents | Large-scale quantum networks will enable entirely new applications of quantum information science in fields such as quantum communication, distributed quantum computing, sensing, and metrology. To build nodes of such networks, diamond color defects are one of the promising candidates. Their excellent optical properties, fast spin-qubit control, and long spin coherence times make them well-suited for quantum information processing and quantum memory applications. Additionally, recent advances in the heterogeneous integration of diamond nanophotonic structures with photonic integrated circuits have made these systems more efficient and well-suited for scalable quantum processor architectures. In this comprehensive review, we discuss the optical and spin properties of these systems, recent progress in the building blocks of quantum networks, and demonstrations of metropolitan-scale quantum networks, as well as the challenges associated with these systems at both the fundamental and experimental levels, along with potential solutions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_30005 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Quantum Networks Using Color Defects in Diamond: Principles, Progress, and Perspectives Majumder, Ayan Torun, Cem Güney Schröder, Tim Pieplow, Gregor Kumar, Prem Saha, Kasturi Quantum Physics Large-scale quantum networks will enable entirely new applications of quantum information science in fields such as quantum communication, distributed quantum computing, sensing, and metrology. To build nodes of such networks, diamond color defects are one of the promising candidates. Their excellent optical properties, fast spin-qubit control, and long spin coherence times make them well-suited for quantum information processing and quantum memory applications. Additionally, recent advances in the heterogeneous integration of diamond nanophotonic structures with photonic integrated circuits have made these systems more efficient and well-suited for scalable quantum processor architectures. In this comprehensive review, we discuss the optical and spin properties of these systems, recent progress in the building blocks of quantum networks, and demonstrations of metropolitan-scale quantum networks, as well as the challenges associated with these systems at both the fundamental and experimental levels, along with potential solutions. |
| title | Quantum Networks Using Color Defects in Diamond: Principles, Progress, and Perspectives |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2605.30005 |