Experimental realization implements a C-NOT gate with 93.8% fidelity in a two qubit system, suggesting advancements in photonic circuit capabilities.
We realize a fully reconfigurable time-multiplexed photonic circuit capable of preparing a state of two qubits and implementing a post-selected C-NOT gate on their joint state with a fidelity of (93.8 ± 1 . 4)%.
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Pegoraro et al. (2025) studied this question.
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