Free-electron interactions with photonic GKP states: universal control and quantum error correction
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arXiv
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| Auteurs principaux: | , , , , , , , |
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| Format: | Preprint |
| Publié: |
2023
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| _version_ | 1866912855961370624 |
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| author | Baranes, Gefen Even-Haim, Shiran Ruimy, Ron Gorlach, Alexey Dahan, Raphael Diringer, Asaf A. Hacohen-Gourgy, Shay Kaminer, Ido |
| author_facet | Baranes, Gefen Even-Haim, Shiran Ruimy, Ron Gorlach, Alexey Dahan, Raphael Diringer, Asaf A. Hacohen-Gourgy, Shay Kaminer, Ido |
| contents | We show that the coherent interaction between free electrons and photons can be used for universal control of continuous-variable photonic quantum states in the form of Gottesman-Kitaev-Preskill (GKP) qubits. Specifically, we find that electron energy combs enable non-destructive measurements of the photonic state and can induce arbitrary gates. Moreover, a single electron interacting with multiple photonic modes can create highly entangled states such as Greenberger-Horne-Zeilinger states and cluster states of GKPs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_13244 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Free-electron interactions with photonic GKP states: universal control and quantum error correction Baranes, Gefen Even-Haim, Shiran Ruimy, Ron Gorlach, Alexey Dahan, Raphael Diringer, Asaf A. Hacohen-Gourgy, Shay Kaminer, Ido Quantum Physics We show that the coherent interaction between free electrons and photons can be used for universal control of continuous-variable photonic quantum states in the form of Gottesman-Kitaev-Preskill (GKP) qubits. Specifically, we find that electron energy combs enable non-destructive measurements of the photonic state and can induce arbitrary gates. Moreover, a single electron interacting with multiple photonic modes can create highly entangled states such as Greenberger-Horne-Zeilinger states and cluster states of GKPs. |
| title | Free-electron interactions with photonic GKP states: universal control and quantum error correction |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2303.13244 |