Determination of the Wigner function from photon statistics
K. Banaszek, C. Radzewicz, K. Wodkiewicz, J. S. Krasinski
Abstract
We present an experimental realisation of the direct scheme for measuring the Wigner function of a single quantized light mode. In this method, the Wigner function is determined as the expectation value of the photon number parity operator for the phase space displaced quantum state.
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