Towards a realistic GaAs-spin qubit device for a classical error-corrected quantum memory
Manuel Rispler,
Pascal Cerfontaine,
Veit Langrock
et al.
Abstract:Based on numerically-optimized real-device gates and parameters we study the performance of the phase-flip (repetition) code on a linear array of Gallium Arsenide (GaAs) quantum dots hosting singlet-triplet qubits. We first examine the expected performance of the code using simple error models of circuit-level and phenomenological noise, reporting, for example, a circuit-level depolarizing noise threshold of approximately 3%. We then perform density-matrix simulations using a maximum-likelihood and minimum-wei… Show more
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