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Multivariate Discrimination in Quantum Target Detection

Quantum Physics 2020-07-31 v2

Abstract

We describe a simple multivariate technique of likelihood ratios for improved discrimination of signal and background in multi-dimensional quantum target detection. The technique combines two independent variables, time difference and summed energy, of a photon pair from the spontaneous parametric down-conversion source into an optimal discriminant. The discriminant performance was studied in experimental data and in Monte-Carlo modelling with clear improvement shown compared to previous techniques. As novel detectors become available, we expect this type of multivariate analysis to become increasingly important in multi-dimensional quantum optics.

Keywords

Cite

@article{arxiv.2005.00612,
  title  = {Multivariate Discrimination in Quantum Target Detection},
  author = {Peter Svihra and Yingwen Zhang and Paul Hockett and Steven Ferrante and Benjamin Sussman and Duncan England and Andrei Nomerotski},
  journal= {arXiv preprint arXiv:2005.00612},
  year   = {2020}
}

Comments

The following article has been published by Applied Physics Letters. It can be found at https://aip.scitation.org/doi/10.1063/5.0012429

R2 v1 2026-06-23T15:15:06.292Z