Deterministic nonlinear phase gates induced by a single qubit
We propose deterministic realizations of nonlinear phase gates by repeating a finite sequence of non-commuting Rabi interactions between a harmonic oscillator and only a single two-level ancillary qubit. We show explicitly that the key nonclassical features of the ideal cubic phase gate and the quar...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2018-01-01
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| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/aabb86 |
| _version_ | 1797750778011582464 |
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| author | Kimin Park Petr Marek Radim Filip |
| author_facet | Kimin Park Petr Marek Radim Filip |
| author_sort | Kimin Park |
| collection | DOAJ |
| description | We propose deterministic realizations of nonlinear phase gates by repeating a finite sequence of non-commuting Rabi interactions between a harmonic oscillator and only a single two-level ancillary qubit. We show explicitly that the key nonclassical features of the ideal cubic phase gate and the quartic phase gate are generated in the harmonic oscillator faithfully by our method. We numerically analyzed the performance of our scheme under realistic imperfections of the oscillator and the two-level system. The methodology is extended further to higher-order nonlinear phase gates. This theoretical proposal completes the set of operations required for continuous-variable quantum computation. |
| first_indexed | 2024-03-12T16:37:49Z |
| format | Article |
| id | doaj.art-bea78869147d4217af86272b0acb1723 |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:37:49Z |
| publishDate | 2018-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-bea78869147d4217af86272b0acb17232023-08-08T14:48:46ZengIOP PublishingNew Journal of Physics1367-26302018-01-0120505302210.1088/1367-2630/aabb86Deterministic nonlinear phase gates induced by a single qubitKimin Park0https://orcid.org/0000-0002-4456-0590Petr Marek1Radim Filip2Department of Optics, Palacký University , 17. listopadu 1192/12, 77146 Olomouc, CzechiaDepartment of Optics, Palacký University , 17. listopadu 1192/12, 77146 Olomouc, CzechiaDepartment of Optics, Palacký University , 17. listopadu 1192/12, 77146 Olomouc, CzechiaWe propose deterministic realizations of nonlinear phase gates by repeating a finite sequence of non-commuting Rabi interactions between a harmonic oscillator and only a single two-level ancillary qubit. We show explicitly that the key nonclassical features of the ideal cubic phase gate and the quartic phase gate are generated in the harmonic oscillator faithfully by our method. We numerically analyzed the performance of our scheme under realistic imperfections of the oscillator and the two-level system. The methodology is extended further to higher-order nonlinear phase gates. This theoretical proposal completes the set of operations required for continuous-variable quantum computation.https://doi.org/10.1088/1367-2630/aabb86quantum information processing with continuous variablesquantum gatesquantum opticscold trapped ionscavity and circuit quantum electrodynamics |
| spellingShingle | Kimin Park Petr Marek Radim Filip Deterministic nonlinear phase gates induced by a single qubit New Journal of Physics quantum information processing with continuous variables quantum gates quantum optics cold trapped ions cavity and circuit quantum electrodynamics |
| title | Deterministic nonlinear phase gates induced by a single qubit |
| title_full | Deterministic nonlinear phase gates induced by a single qubit |
| title_fullStr | Deterministic nonlinear phase gates induced by a single qubit |
| title_full_unstemmed | Deterministic nonlinear phase gates induced by a single qubit |
| title_short | Deterministic nonlinear phase gates induced by a single qubit |
| title_sort | deterministic nonlinear phase gates induced by a single qubit |
| topic | quantum information processing with continuous variables quantum gates quantum optics cold trapped ions cavity and circuit quantum electrodynamics |
| url | https://doi.org/10.1088/1367-2630/aabb86 |
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