Abstract
The possibility of effectively creating quantum gates based on polarization photon qubits using a Kerr nonlinear medium in a cavity is studied. It is shown how a quantum C-NOT gate can be produced with such qubits through four-wave mixing. A theory of this gate’s operation is constructed using an input–output formalism, and conditions of parametric matching are obtained for effective gate operation.
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Translated by K. Gumerov
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Andrianov, S.N., Kalachev, A.A., Shindyaev, O.P. et al. A Quantum-Controlled NOT Gate Based on Four-Wave Mixing in a Cavity for Polarization Photonic Qubits. Bull. Russ. Acad. Sci. Phys. 83, 381–383 (2019). https://doi.org/10.3103/S1062873819030389
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DOI: https://doi.org/10.3103/S1062873819030389