Robust entanglement buffers based on SWAP interactions
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866908695554686976 |
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| author | Liu, Ye-Chao Gühne, Otfried Nimmrichter, Stefan |
| author_facet | Liu, Ye-Chao Gühne, Otfried Nimmrichter, Stefan |
| contents | Quantum entanglement is the essential resource for quantum communication and distributed information processing in a quantum network. However, the remote generation over a network suffers from inevitable transmission loss and other technical difficulties. This paper introduces the concept of entanglement buffers as a potential primitive for preparing long-distance entanglement. We investigate the filling of entanglement buffers with either one Bell state or a stream of Bell states via SWAP interactions. We illustrate their resilience to imperfect interactions, noise, and losses, making the buffers suitable for a realistic quantum network scenario. Additionally, larger entanglement buffers can always enhance these benefits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_05099 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Robust entanglement buffers based on SWAP interactions Liu, Ye-Chao Gühne, Otfried Nimmrichter, Stefan Quantum Physics Quantum entanglement is the essential resource for quantum communication and distributed information processing in a quantum network. However, the remote generation over a network suffers from inevitable transmission loss and other technical difficulties. This paper introduces the concept of entanglement buffers as a potential primitive for preparing long-distance entanglement. We investigate the filling of entanglement buffers with either one Bell state or a stream of Bell states via SWAP interactions. We illustrate their resilience to imperfect interactions, noise, and losses, making the buffers suitable for a realistic quantum network scenario. Additionally, larger entanglement buffers can always enhance these benefits. |
| title | Robust entanglement buffers based on SWAP interactions |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2312.05099 |