Quantum sensing with duplex qubits of silicon vacancy centers in SiC at room temperature

Quantum sensing with duplex qubits of silicon vacancy centers in SiC at room temperature

Silicon vacancy centers in Silicon Carbide show promise as room-temperature qubits for quantum sensing applications, with researchers demonstrating that simultaneously operating both transitions in the spin-3/2 quartet through a novel duplex qubit scheme doubles the signal contrast and improves sensitivity compared to conventional single-qubit approaches.