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    Quantum-optical reset with classical memory

    Evgeniy O. Kiktenko1, Oleg M. Sotnikov1,2, Ilia A. Iakovlev1,2, Yuri A. Biriukov3, Aleksey K. Fedorov1, Stanislav S. Straupe1,3, Ivan V. Dyakonov3, and Vladimir V. Mazurenko1,2

    Phys. Rev. A 114, 032601 – Published 3 September, 2026

    DOI: https://doi.org/10.1103/7gf7-66d4

    Abstract

    Dynamic quantum circuits generate states that depend on the measurement results obtained during circuit execution. To date such a quantum computing model has mainly been implemented with qubit-based superconducting hardware utilizing reset operations and classical logic. Here we develop a model of optical reset by using time-bin self-looped interferometers demonstrated in recent experiments. Synchronizing the optical reset with a simple classical device storing history of measurement results allows one to decrease uncertainty of future measurements, which suggests new possibilities for constructing dynamical circuits on optical platforms. Information flow with significant multitime correlations and memory depth is identified through distinct information-theoretic measures. We discuss potential applications of the proposed reset model, including the realization of boson sampling and experimental tests of the quantum-mechanical formulation of Landauer's principle.

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