Calcium oxide's quantum secret: Nearly noiseless qubits

Researchers from the University of Chicago and collaborators in Sweden have discovered that defects in calcium oxide, particularly with embedded bismuth atoms, can serve as highly effective qubits for quantum computing. These qubits exhibit very low noise levels and long coherence times, making them promising for quantum information storage. The team used computational methods to identify and confirm the potential of these defects, which could integrate well with telecommunications devices due to calcium oxide’s optical properties.

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