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Can nonclassical correlations survive in the presence of asymmetric lossy channels?

  • Alessia Allevi
  • Maria Bondani
Regular Article
  • 28 Downloads
Part of the following topical collections:
  1. Topical Issue: Quantum Correlations

Abstract

Nonclassical correlations are a fundamental resource for applications involving multipartite systems. To assess nonclassicality, several different criteria can be applied to measured data. Here we compare three inequalities by applying them to a multi-mode twin-beam state, in which one of the two parties is transmitted through a varying lossy channel. We demonstrate, both theoretically and experimentally, that the asymmetry introduced by losses affects the three criteria in different ways, thus offering a tool for quantum optics applications.

Graphical abstract

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Copyright information

© EDP Sciences, SIF, Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Science and High TechnologyUniversity of InsubriaComoItaly
  2. 2.Institute for Photonics and Nanotechnologies, CNRComoItaly

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