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van Dam, S.B. (author), Cramer, J. (author), Taminiau, T.H. (author), Hanson, R. (author)We report on the realization and application of nondestructive three-qubit parity measurements on nuclear spin qubits in diamond. We use high-fidelity quantum logic to map the parity of the joint state of three nuclear spin qubits onto an electronic spin qubit that acts as an ancilla, followed by a single-shot nondestructive readout of the...journal article 2019