With the purpose of introducing a useful tool for researches concerning foundations of quantum mechanics and applications to quantum technologies, here we address three quantumness quantifiers for bipartite optical systems: one is based on sub-shot-noise correlations, one is related to antibunching and one springs from entanglement determination. The specific cases of parametric downconversion seeded by thermal, coherent and squeezed states are discussed in detail.
On the discrimination between classical and quantum states / G. Brida, M. Bondani, I. P. Degiovanni, M. Genovese, M. Paris, I. Ruo Berchera, V. Schettini. - In: FOUNDATIONS OF PHYSICS. - ISSN 0015-9018. - 41:3(2011), pp. 305-316.
On the discrimination between classical and quantum states
M. Paris;
2011
Abstract
With the purpose of introducing a useful tool for researches concerning foundations of quantum mechanics and applications to quantum technologies, here we address three quantumness quantifiers for bipartite optical systems: one is based on sub-shot-noise correlations, one is related to antibunching and one springs from entanglement determination. The specific cases of parametric downconversion seeded by thermal, coherent and squeezed states are discussed in detail.
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