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arXiv · 1110.2231

Energy and momentum entanglement in parametric downconversion

Pablo L. Saldanha·C. H. Monken
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Abstract

We present a simple treatment for the phenomenon of parametric downconversion considering the coherent scattering of one pump photon into a photon pair by a nonlinear crystal. The energy and momentum entanglement of the quantum state of the generated twin photons are seen as a consequence of the fundamental indistinguishability of the time and the position in which the photon pair is created inside the crystal. We also discuss some consequences of the system entanglement.

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Pablo L. Saldanha, C. H. Monken. 2012-10-20. Energy and momentum entanglement in parametric downconversion. https://doi.org/10.1119/1.4757623

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