A two-eigenstate model near Förster resonances yields a gate fidelity bound F ≤ 1 - (π/2)/(V τ_R) saturated by a new protocol that improves prior limits by ~40%, with common protocols showing up to 100x higher fidelity when exchange dynamics are retained.
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A modified asymmetric Rydberg gate protocol with target detuning and optimized phase waveforms achieves fidelity within a factor of 2.39 of the Rydberg lifetime limit outside the blockade regime.
Optimized double-pulse laser shapes from D-MORPH quantum optimal control achieve ~99% Bell-state fidelity in Rydberg atoms and remain robust to moderate amplitude noise while phase noise remains the dominant limiter.
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Entangling gate performance and fidelity limits with neutral atom F\"orster resonances
A two-eigenstate model near Förster resonances yields a gate fidelity bound F ≤ 1 - (π/2)/(V τ_R) saturated by a new protocol that improves prior limits by ~40%, with common protocols showing up to 100x higher fidelity when exchange dynamics are retained.
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Noise-Robust Ultrafast Entanglement Generation in Rydberg Atoms via Quantum Optimal Control
Optimized double-pulse laser shapes from D-MORPH quantum optimal control achieve ~99% Bell-state fidelity in Rydberg atoms and remain robust to moderate amplitude noise while phase noise remains the dominant limiter.