From many-particle interference to correlation spectroscopy

We show how robust statistical features of a many-particle quantum state's two-point correlations after transmission through a multimode random scatterer can be used as a sensitive probe of the injected particles' mutual indistinguishability. This generalizes Hong-Ou-Mandel interference as a diagnostic tool for many-particle transmission signals across multimode random scatterers. Furthermore, we show how, from such statistical features of the many-particle interference pattern, information can be deduced on the temporal structure of the many-particle input state, by inspection of the many-particle interference with an additional probe particle of tunable distinguishability.status: publishe