The work introduces a spectator-ion-based closed-loop controller using reinforcement learning on geometric phase to reduce two-qubit gate infidelity by roughly 10x in linear Paul traps.
This information is used to devise robust control policies for implementing 2QG against motional heating, drift in motional frequencies, and scattering processes
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Closed-loop control for two-qubit gates with trapped ions
The work introduces a spectator-ion-based closed-loop controller using reinforcement learning on geometric phase to reduce two-qubit gate infidelity by roughly 10x in linear Paul traps.