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Researchers have developed new control protocols that simultaneously enable fast operations and high resilience to error in cat-state qubits by engineering specific dissipation mechanisms. This breakthrough addresses the critical trade-off between speed and coherence, offering a viable pathway toward fault-tolerant quantum processors with reduced information loss.

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Researchers Propose Robust Control Boosting Cat-Qubit Fidelity

Quantum Zeitgeist16 septembrie 20261 min de cititArticolul și perspectiva sunt în engleză.

Engineering dissipation and control pulses for high-fidelity fault-tolerance quantum computing Until now, maintaining coherence in leading qubit designs has meant choosing between fast operation or resilience to error. New protocols achieve both simultaneously within cat-state qubits via engineered two-photon dissipation, suppressing errors from drive field imperfections alongside unwanted state leakage. This offers a pathway towards building dependable quantum processors with reduced information loss.

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