G. Thekkadath, D. Phillips, J. Bulmer, W. Clements, A. Eckstein, J. Lugani, C. Wade, T. Wolterink, A. Lita, S. Nam, T. Gerrits, I. Walmsley
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A versatile quantum detector based on homodyne detection with photon-number resolution
We interfere weak coherent states with heralded Fock states on a balanced beam splitter and detect the output with photon-number-resolving detectors. Our setup constitutes a versatile detector that can perform both Gaussian and non-Gaussian measurements.