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 F04: Quantum Gates for Trapped Ions
8:00 AM–10:00 AM,
Wednesday, June 5, 2024
Room: 201BC
Chair: Georgi Gary Rozenman, Massachusetts Institute of Technology
Abstract: F04.00008 : Progress Towards High-Dimensional Qudit Quantum Computing with Trapped 137Ba+ Ions*
9:24 AM–9:36 AM
Presenter:
Nicholas Zutt
(University of Waterloo)
Authors:
Nicholas Zutt
(University of Waterloo)
Gaurav A Tathed
(University of Waterloo)
Pei Jiang Low
(University of Waterloo)
Crystal Senko
(UWaterloo)
While a maximal qudit encoding of up to 25 distinguishable states is possible in principle, we present progress towards initialising and controlling a single 137 Ba + ion in this joint-subspace. We demonstrate Rabi oscillations from the 5 initial states available in the 6S1/2 , F = 2 level and discuss the particular challenges to working in the 5D5/2 manifold at intermediate field. We further present an efficient scheme for calibrating the frequencies of all quadrupole-allowed transitions between the 6S1/2 and 5D5/2 manifolds using just 3 measured transitions.
Our work lays the ground for further advancements in high-dimensional encoding of trapped ions, which itself is a promising alternative approach to expanding the Hilbert space in trapped ion quantum computing.
*This research was supported in part by the Natural Sciences and Engineering Research Council of Canada (NSERC) and Canada Research Chairs.
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