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Updated: May 8, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Non-classicality and the effect of one photon
Christopher C Gerry1, Richard J Birrittella2, Paul M Alsing3
1Department of Physics and Astronomy, Lehman College, The City University of New York, Bronx, NY 10468-1589, USA.
Abstract:
The quantum interference effects of mixing the most non-classical states of light, number states, with the most classical-like of pure field states, the coherent state, are investigated. We demonstrate how the non-classicality of a single photon when mixed with a coherent field can transform the statistical properties of the output and further demonstrate that the entanglement of the output is independent of the coherent state amplitude.This article is part of the theme issue 'The quantum theory of light'.
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