Mechanical Squeezed Kerr Oscillator based on Tapered Ion Trap
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866909559586553856 |
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| author | Nikolova, Bogomila S. Göb, Motitz Singer, Kilian Ivanov, Peter A. |
| author_facet | Nikolova, Bogomila S. Göb, Motitz Singer, Kilian Ivanov, Peter A. |
| contents | We propose the realization of a mechanically squeezed Kerr oscillator with a single ion in a tapered trap. We show that the motion coupling between the axial and radial modes caused by the trap geometry leads to Kerr nonlinearity of the radial mode with magnitude controlled by the trap frequencies. This allows the realization of non-Gaussian quantum gates, which play a significant role in the universal set of continuous variable quantum gates. Furthermore, we show that, because of the nonlinearity of the ion trap, applying an off-resonant time-varying electric field along the trap axis causes a motion squeezing of the radial mode. Finally, we discuss the motion mode frequency spectrum of an ion crystal in a tapered trap. We show that the frequency gap between the motion modes increases with trap nonlinearity, which benefits the realization of faster quantum gates. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_24058 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Mechanical Squeezed Kerr Oscillator based on Tapered Ion Trap Nikolova, Bogomila S. Göb, Motitz Singer, Kilian Ivanov, Peter A. Quantum Physics We propose the realization of a mechanically squeezed Kerr oscillator with a single ion in a tapered trap. We show that the motion coupling between the axial and radial modes caused by the trap geometry leads to Kerr nonlinearity of the radial mode with magnitude controlled by the trap frequencies. This allows the realization of non-Gaussian quantum gates, which play a significant role in the universal set of continuous variable quantum gates. Furthermore, we show that, because of the nonlinearity of the ion trap, applying an off-resonant time-varying electric field along the trap axis causes a motion squeezing of the radial mode. Finally, we discuss the motion mode frequency spectrum of an ion crystal in a tapered trap. We show that the frequency gap between the motion modes increases with trap nonlinearity, which benefits the realization of faster quantum gates. |
| title | Mechanical Squeezed Kerr Oscillator based on Tapered Ion Trap |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2503.24058 |