Loss tolerant cross-Kerr enhancement via modulated squeezing
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Acceso en línea: | |
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| _version_ | 1866917101591068672 |
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| author | Tiwari, Ankit Burgarth, Daniel Fan, Linran Guha, Saikat Arenz, Christian |
| author_facet | Tiwari, Ankit Burgarth, Daniel Fan, Linran Guha, Saikat Arenz, Christian |
| contents | We develop squeezing protocols to enhance cross-Kerr interactions. We show that through alternating between squeezing along different quadratures of a single photonic mode, the cross-Kerr interaction strength can be generically amplified. As an application of the squeezing protocols we discuss speeding up the deterministic implementation of controlled phase gates in photonic quantum computing architectures. We develop bounds that characterize how fast and strong single-mode squeezing has to be applied to achieve a desired gate error and show that the protocols can overcome photon losses. Finally, we discuss experimental realizations of the squeezing strategies in optical fibers and nanophotonic waveguides. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_02909 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Loss tolerant cross-Kerr enhancement via modulated squeezing Tiwari, Ankit Burgarth, Daniel Fan, Linran Guha, Saikat Arenz, Christian Quantum Physics We develop squeezing protocols to enhance cross-Kerr interactions. We show that through alternating between squeezing along different quadratures of a single photonic mode, the cross-Kerr interaction strength can be generically amplified. As an application of the squeezing protocols we discuss speeding up the deterministic implementation of controlled phase gates in photonic quantum computing architectures. We develop bounds that characterize how fast and strong single-mode squeezing has to be applied to achieve a desired gate error and show that the protocols can overcome photon losses. Finally, we discuss experimental realizations of the squeezing strategies in optical fibers and nanophotonic waveguides. |
| title | Loss tolerant cross-Kerr enhancement via modulated squeezing |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2412.02909 |