Journal article
Benchmarking a high-fidelity mixed-species entangling gate
- Abstract:
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We implement a two-qubit logic gate between a 43Ca+ hyperfine qubit and a 88Sr+ Zeeman qubit. For this pair of ion species, the S–P optical transitions are close enough that a single laser of wavelength 402 nm can be used to drive the gate but sufficiently well separated to give good spectral isolation and low photon scattering errors. We characterize the gate by full randomized benchmarking, gate set tomography, and Bell state analysis. The latter method gives a fidelity of 99.8(1)%, compara...
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- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Version of record, 598.3KB)
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- Publisher copy:
- 10.1103/PhysRevLett.125.080504
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Authors
Funding
Bibliographic Details
- Publisher:
- American Physical Society Publisher's website
- Journal:
- Physical Review Letters Journal website
- Volume:
- 125
- Issue:
- 8
- Article number:
- 080504
- Publication date:
- 2020-08-18
- Acceptance date:
- 2020-07-08
- DOI:
- EISSN:
-
1079-7114
- ISSN:
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0031-9007
Item Description
- Language:
- English
- Keywords:
- Pubs id:
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1123382
- Local pid:
- pubs:1123382
- Deposit date:
- 2020-08-03
Terms of use
- Copyright holder:
- American Physical Society
- Copyright date:
- 2020
- Rights statement:
- © 2020 American Physical Society.
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