A phononic interface between a superconducting quantum processor and quantum networked spin memories
Abstract We introduce a method for high-fidelity quantum state transduction between a superconducting microwave qubit and the ground state spin system of a solid-state artificial atom, mediated via an acoustic bus connected by piezoelectric transducers. Applied to present-day experimental parameters...
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Nature Portfolio
2021
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oai:doaj.org-article:39656bd717b947c1b2f554b36206755c2021-12-02T16:35:36ZA phononic interface between a superconducting quantum processor and quantum networked spin memories10.1038/s41534-021-00457-42056-6387https://doaj.org/article/39656bd717b947c1b2f554b36206755c2021-08-01T00:00:00Zhttps://doi.org/10.1038/s41534-021-00457-4https://doaj.org/toc/2056-6387Abstract We introduce a method for high-fidelity quantum state transduction between a superconducting microwave qubit and the ground state spin system of a solid-state artificial atom, mediated via an acoustic bus connected by piezoelectric transducers. Applied to present-day experimental parameters for superconducting circuit qubits and diamond silicon-vacancy centers in an optimized phononic cavity, we estimate quantum state transduction with fidelity exceeding 99% at a MHz-scale bandwidth. By combining the complementary strengths of superconducting circuit quantum computing and artificial atoms, the hybrid architecture provides high-fidelity qubit gates with long-lived quantum memory, high-fidelity measurement, large qubit number, reconfigurable qubit connectivity, and high-fidelity state and gate teleportation through optical quantum networks.Tomáš NeumanMatt EichenfieldMatthew E. TrusheimLisa HackettPrineha NarangDirk EnglundNature PortfolioarticlePhysicsQC1-999Electronic computers. Computer scienceQA75.5-76.95ENnpj Quantum Information, Vol 7, Iss 1, Pp 1-8 (2021) |
| institution |
DOAJ |
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DOAJ |
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EN |
| topic |
Physics QC1-999 Electronic computers. Computer science QA75.5-76.95 |
| spellingShingle |
Physics QC1-999 Electronic computers. Computer science QA75.5-76.95 Tomáš Neuman Matt Eichenfield Matthew E. Trusheim Lisa Hackett Prineha Narang Dirk Englund A phononic interface between a superconducting quantum processor and quantum networked spin memories |
| description |
Abstract We introduce a method for high-fidelity quantum state transduction between a superconducting microwave qubit and the ground state spin system of a solid-state artificial atom, mediated via an acoustic bus connected by piezoelectric transducers. Applied to present-day experimental parameters for superconducting circuit qubits and diamond silicon-vacancy centers in an optimized phononic cavity, we estimate quantum state transduction with fidelity exceeding 99% at a MHz-scale bandwidth. By combining the complementary strengths of superconducting circuit quantum computing and artificial atoms, the hybrid architecture provides high-fidelity qubit gates with long-lived quantum memory, high-fidelity measurement, large qubit number, reconfigurable qubit connectivity, and high-fidelity state and gate teleportation through optical quantum networks. |
| format |
article |
| author |
Tomáš Neuman Matt Eichenfield Matthew E. Trusheim Lisa Hackett Prineha Narang Dirk Englund |
| author_facet |
Tomáš Neuman Matt Eichenfield Matthew E. Trusheim Lisa Hackett Prineha Narang Dirk Englund |
| author_sort |
Tomáš Neuman |
| title |
A phononic interface between a superconducting quantum processor and quantum networked spin memories |
| title_short |
A phononic interface between a superconducting quantum processor and quantum networked spin memories |
| title_full |
A phononic interface between a superconducting quantum processor and quantum networked spin memories |
| title_fullStr |
A phononic interface between a superconducting quantum processor and quantum networked spin memories |
| title_full_unstemmed |
A phononic interface between a superconducting quantum processor and quantum networked spin memories |
| title_sort |
phononic interface between a superconducting quantum processor and quantum networked spin memories |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/39656bd717b947c1b2f554b36206755c |
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