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Shuttling of Rydberg ions for fast entangling operations

VOGEL, JONAS; LI, WEIBIN; MOKHBERI, AREZOO; LESANOVSKY, IGOR; SCHMIDT-KALER, FERDINAND

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Authors

JONAS VOGEL

WEIBIN LI WEIBIN.LI@NOTTINGHAM.AC.UK
Associate Professor

AREZOO MOKHBERI

FERDINAND SCHMIDT-KALER



Abstract

We introduce a scheme to entangle Rydberg ions in a linear ion crystal, using the high electric polarizability of the Rydberg electronic states in combination with mutual Coulomb coupling of ions that establishes common modes of motion. After laser initialization of ions to a superposition of ground and Rydberg states, the entanglement operation is driven purely by applying a voltage pulse that shuttles the ion crystal back and forth. This operation can achieve entanglement on a sub-μs timescale, more than 2 orders of magnitude faster than typical gate operations driven by continuous-wave lasers. Our analysis shows that the fidelity achieved with this protocol can exceed 99.9% with experimentally achievable parameters.

Citation

VOGEL, J., LI, W., MOKHBERI, A., LESANOVSKY, I., & SCHMIDT-KALER, F. (2019). Shuttling of Rydberg ions for fast entangling operations. Physical Review Letters, 123(15), Article 153603. https://doi.org/10.1103/PhysRevLett.123.153603

Journal Article Type Letter
Acceptance Date Aug 7, 2019
Online Publication Date Oct 11, 2019
Publication Date Oct 11, 2019
Deposit Date Aug 26, 2019
Publicly Available Date Aug 29, 2019
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 123
Issue 15
Article Number 153603
DOI https://doi.org/10.1103/PhysRevLett.123.153603
Public URL https://nottingham-repository.worktribe.com/output/2430914
Publisher URL https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.123.153603
Contract Date Aug 26, 2019

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