Entanglement distribution through separable states via a zero-added-loss photon multiplexing inspired protocol
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866916403602259968 |
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| author | Campbell, Conall J. Hawkins, Adam G. Zicari, Giorgio Paternostro, Mauro McAleese, Hannah |
| author_facet | Campbell, Conall J. Hawkins, Adam G. Zicari, Giorgio Paternostro, Mauro McAleese, Hannah |
| contents | The recently proposed zero-added-loss multiplexing (ZALM) source of entangled photons enables higher efficiency in entanglement distribution than spontaneous parametric down-conversion sources and can be carried out using both space-to-ground and ground-to-ground links. We demonstrate the flexibility of ZALM architectures to be adapted to alternative entanglement distribution protocols. Focusing on the counter-intuitive result that entanglement can be generated between distant parties without using any entanglement as a resource, we analyze two protocols for entanglement distribution to memories via separable states. Modelling them in a ZALM setup, we consider the effects of noise both in the communication channels and in the memories. We thereby identify the optimal protocol to use, with respect to the highest entanglement generated, given the noise conditions of the network. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_07107 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Entanglement distribution through separable states via a zero-added-loss photon multiplexing inspired protocol Campbell, Conall J. Hawkins, Adam G. Zicari, Giorgio Paternostro, Mauro McAleese, Hannah Quantum Physics The recently proposed zero-added-loss multiplexing (ZALM) source of entangled photons enables higher efficiency in entanglement distribution than spontaneous parametric down-conversion sources and can be carried out using both space-to-ground and ground-to-ground links. We demonstrate the flexibility of ZALM architectures to be adapted to alternative entanglement distribution protocols. Focusing on the counter-intuitive result that entanglement can be generated between distant parties without using any entanglement as a resource, we analyze two protocols for entanglement distribution to memories via separable states. Modelling them in a ZALM setup, we consider the effects of noise both in the communication channels and in the memories. We thereby identify the optimal protocol to use, with respect to the highest entanglement generated, given the noise conditions of the network. |
| title | Entanglement distribution through separable states via a zero-added-loss photon multiplexing inspired protocol |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2404.07107 |