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Quantum tomography of a single-photon state by photon-number parity measurements

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Abstract

A single-photon state was generated by heralding cavity-enhanced spontaneous parametric downconversion in a PPKTP optical parametric oscillator. The Wigner distribution was reconstructed by quantum state tomography, using photon-number-resolving measurements with a system efficiency of 58±2%.

© 2019 The Author(s)

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