Ramped fields create more robust entanglement between trapped-ion qubits
Researchers at Lawrence Livermore National Laboratory and the National Institute of Standards and Technology's Ion Storage Group demonstrated a method using ramped fields to create entanglement between trapped-ion qubits with improved robustness. The study was published in Physical Review Letters and addresses the reliability of quantum computing hardware.
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What this could mean
- 0–2 yearsPlausible
If ramped-field entanglement sequences transfer to commercial trapped-ion processors, they could improve two-qubit gate fidelity without requiring new hardware subsystems.
Trapped-ion systems from companies like IonQ and Quantinuum already use controllable electromagnetic fields and laser pulses; ramping those fields is primarily a control-software change that could be deployed on existing hardware once the sequence is validated at scale.
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