The Myth of the Down Converted Photon

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Scientific Paper
Title The Myth of the Down Converted Photon
Author(s) Trevor W Marshall
Keywords {{{keywords}}}
Published 2008
Journal ArXiv

Abstract

Parametric down conversion (PDC) is widely interpreted in terms of photons, but, even among supporters of this interpretation, many properties of the photon pairs have been described as ?mind-boggling? and even ?absurd?. In this article we argue that a classical description of the light field, taking account of its vacuum fluctuations, leads us to a consistent and rational description of all PDC phenomena. ?Nonlocality? in quantum optics is simply an artifact of the Photon Concept. We also predict a new phenomenon, namely the appearance of a second, or satellite PDC rainbow. (This article will appear in the Proceedings of the Second Vigier Conference held in York University, Canada in August 1997. A somewhat more formal version has been submitted to Phys. Rev. Letters, and may be found at http://xxx.lanl.gov/abs/quant-ph/9711029.)