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Conferences > FiO > 2023 > JTu4A > JTu4A.54

Generating a 4-photon tetrahedron state: towards simultaneous super-sensitivity to non-commuting rotations

Hugo Ferretti, Y. Batuhan Yilmaz, Kent Bonsma-Fisher, Aaron Z. Goldberg, Noah Lupu-Gladstein, Arthur O. T. Pang, and Aephraim M. Steinberg

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Abstract

A primary goal of quantum metrology is to understand the optimal way to measure multiple incompatible observables. Here, we report on the experimental demonstration and characterisation of a four-photon state, the “tetrahedron state”, which is the optimal state for simultaneous estimation of all parameters describing a rotation.

© 2023 The Author(s)

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