Non-classicality and coherence of squeezed states

Reinhard Honegger and Alfred Rieckers

Physica A: Statistical Mechanics and its Applications, 2004, vol. 335, issue 3, 487-510

Abstract: After having set up a concise frame for pure and mixed all-order coherent states, we let them undergo a rather general squeezing transformation. These squeezed states are always non-classical, but some—apparently experimentally preparable—of them are still second-order coherent. They combine peculiar properties of their quantum fluctuations with the ordering features of coherence, and deserve special attention. Quite generally, several criteria for non-classicality are discussed and applied to the considered class of squeezed states. The connection between non-classicality and anti-bunching resp. sub-Poissonian photon statistics is shown to be more subtle than quantum optical usage suggests.

Keywords: Quantum optical coherent states; Squeezing; Non-classicality of photon field states; Anti-bunching; Sub-Poissonian photon statistics (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:335:y:2004:i:3:p:487-510

DOI: 10.1016/j.physa.2003.12.022

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