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SAMOP 2023 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 29: Implementations: Ions and Atoms (joint session QI/Q)

Q 29.4: Talk

Wednesday, March 8, 2023, 12:00–12:15, F428

Coherent Control of Trapped Ion Qubits with Localized Electric Fields — •Raghavendra Srinivas1,2, Clemens Löschnauer1, Maciej Malinowski1, Amy Hughes1, Rustin Nourshargh1, Vlad Negnevitsky1, David Allcock1,3, Steven King1, Clemens Matthiesen1, Thomas Harty1, and Chris Ballance1,21Oxford Ionics — 2University of Oxford — 3University of Oregon, Eugene

We present a new method for coherent control of trapped ion qubits in separate interaction regions of a multi-zone trap by simultaneously applying an electric field and a spin-dependent gradient. Both the phase and amplitude of the effective single-qubit rotation depend on the electric field, which can be localised to each zone. We demonstrate this interaction on a single ion using both laser-based and magnetic field gradients in a surface-electrode ion trap, and measure the localisation of the electric field.

[1] arXiv:2210.16129

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