Helios achieves 98 qubits with single-qubit gate infidelity 2.5(1)×10^{-5}, two-qubit 7.9(2)×10^{-4}, and SPAM 4.8(6)×10^{-4}, enabling circuits beyond classical simulation.
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Simulations demonstrate that Krotov optimal control can achieve gate fidelities ≳0.9 in noisy static exchange-coupled surface qubits by adapting to specific noise sources, outperforming standard Rabi driving.
DRB and GST benchmarking on neutral-atom single-qubit gates yields 99.963% average fidelity, with consistent results on a 25-qubit array and a new gauge optimization for GST.
citing papers explorer
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Helios: A 98-qubit trapped-ion quantum computer
Helios achieves 98 qubits with single-qubit gate infidelity 2.5(1)×10^{-5}, two-qubit 7.9(2)×10^{-4}, and SPAM 4.8(6)×10^{-4}, enabling circuits beyond classical simulation.
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Overcoming limitations on gate fidelity in noisy static exchange-coupled surface qubits
Simulations demonstrate that Krotov optimal control can achieve gate fidelities ≳0.9 in noisy static exchange-coupled surface qubits by adapting to specific noise sources, outperforming standard Rabi driving.
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Benchmarking Single-Qubit Gates on a Neutral Atom Quantum Processor
DRB and GST benchmarking on neutral-atom single-qubit gates yields 99.963% average fidelity, with consistent results on a 25-qubit array and a new gauge optimization for GST.