Identification of nonclassical properties of light with multiplexing layouts. Academic Article uri icon


  • In Sperling et al. [Phys. Rev. Lett. 118, 163602 (2017)], we introduced and applied a detector-independent method to uncover nonclassicality. Here, we extend those techniques and give more details on the performed analysis. We derive a general theory of the positive-operator-valued measure that describes multiplexing layouts with arbitrary detectors. From the resulting quantum version of a multinomial statistics, we infer nonclassicality probes based on a matrix of normally ordered moments. We discuss these criteria and apply the theory to our data which are measured with superconducting transition-edge sensors. Our experiment produces heralded multiphoton states from a parametric down-conversion light source. We show that the known notions of sub-Poisson and sub-binomial light can be deduced from our general approach, and we establish the concept of sub-multinomial light, which is shown to outperform the former two concepts of nonclassicality for our data.

published proceedings

  • Phys Rev A (Coll Park)

altmetric score

  • 0.75

author list (cited authors)

  • Sperling, J., Eckstein, A., Clements, W. R., Moore, M., Renema, J. J., Kolthammer, W. S., ... Vogel, W.

citation count

  • 9

complete list of authors

  • Sperling, J||Eckstein, A||Clements, WR||Moore, M||Renema, JJ||Kolthammer, WS||Nam, SW||Lita, A||Gerrits, T||Walmsley, IA||Agarwal, GS||Vogel, W

publication date

  • July 2017