Experimental realization of nonunitary multi-qubit operations
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arXiv
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866916451078635520 |
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| author | van Mourik, Martin W. Zapusek, Elias Hrmo, Pavel Gerster, Lukas Blatt, Rainer Monz, Thomas Schindler, Philipp Reiter, Florentin |
| author_facet | van Mourik, Martin W. Zapusek, Elias Hrmo, Pavel Gerster, Lukas Blatt, Rainer Monz, Thomas Schindler, Philipp Reiter, Florentin |
| contents | We demonstrate a novel experimental toolset that enables irreversible multi-qubit operations on a quantum platform. To exemplify our approach, we realize two elementary nonunitary operations: the OR and NOR gates. The electronic states of two trapped $^{40}$Ca$^{+}$ ions encode the logical information, and a co-trapped $^{88}$Sr$^{+}$ ion provides the irreversibility of the gate by a dissipation channel through sideband cooling. We measure $87\%$ and $81\%$ success rates for the OR and NOR gates, respectively. The presented methods are a stepping stone towards other nonunitary operations such as in quantum error correction and quantum machine learning. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_06098 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Experimental realization of nonunitary multi-qubit operations van Mourik, Martin W. Zapusek, Elias Hrmo, Pavel Gerster, Lukas Blatt, Rainer Monz, Thomas Schindler, Philipp Reiter, Florentin Quantum Physics Atomic Physics We demonstrate a novel experimental toolset that enables irreversible multi-qubit operations on a quantum platform. To exemplify our approach, we realize two elementary nonunitary operations: the OR and NOR gates. The electronic states of two trapped $^{40}$Ca$^{+}$ ions encode the logical information, and a co-trapped $^{88}$Sr$^{+}$ ion provides the irreversibility of the gate by a dissipation channel through sideband cooling. We measure $87\%$ and $81\%$ success rates for the OR and NOR gates, respectively. The presented methods are a stepping stone towards other nonunitary operations such as in quantum error correction and quantum machine learning. |
| title | Experimental realization of nonunitary multi-qubit operations |
| topic | Quantum Physics Atomic Physics |
| url | https://arxiv.org/abs/2303.06098 |