Publication appeared in Physical Review X


Our work on generalized multiphoton quantum interference appeared in Physical Review X.

The coincidence landscape and its substructure. (a) Coincidence landscape which is the visual representation of the nonclassical interference of three photons of tunable distinguishability. The height of the landscape corresponds to the coincidence output probability of a three-photon scattering event. The substructure, expressed in terms of contributions from the permanent "per", the determinant "det", and immanants "imm", reveals the nature of the scattering event. Beside the plateaux (color coded in red), which can be explained classically, the whole landscape is governed by a genuine quantum interference of the photons.