A versatile quantum detector based on homodyne detection with photon-number resolution
Guillaume Thekkadath, D.S. Phillips, Jacob F. F. Bulmer, William R. Clements, A. Eckstein, Jasleen Lugani, C. G. Wade, Tom A. W. Wolterink, Adriana E. Lita, Sae Woo Nam, Thomas Gerrits, Ian A. Walmsley · 2019
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.