Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session S00: Poster Session III (4pm-6pm CDT)
4:00 PM,
Thursday, June 6, 2024
Room: Hall BC
Abstract: S00.00136 : Quantum information protocols in mixed qubit type registers of 137Ba+ ions
Presenter:
Ana S Sotirova
(Oxford Ionics and University of Oxford)
Authors:
Ana S Sotirova
(Oxford Ionics and University of Oxford)
Jamie D Leppard
(University of Oxford)
Andres Vazquez Brennan
(University of Oxford)
Sophie M Decoppet
(University of Oxford)
David P Nadlinger
(University of Oxford)
Maciej Malinowski
(Oxford Ionics)
Fabian Pokorny
(University of Oxford)
Christopher J Ballance
(Oxford Ionics and University of Oxford)
We demonstrate full control over the different qubit types within 137Ba+, facilitating the implementation of in-sequence dissipative operations on the ground level qubits, while maintaining the coherence of the metastable ones. These capabilities have allowed us to achieve extremely low SPAM errors for all three qubit types.
[1] D. T. C. Allcock et al. omg blueprint for trapped ion quantum computing with metastable states. Applied Physics Letters, 119(21):214002, 2021.
[2] A. S. Sotirova et al. Low Cross-Talk Optical Addressing of Trapped-Ion Qubits Using a Novel Integrated Photonic Chip, October 2023. arXiv:2310.13419.
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