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Paper detail

Energy and momentum entanglement in parametric downconversion

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.

preprint2012arXivOpen access
Pablo L. SaldanhaC. H. Monken
quant-ph
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Pablo L. SaldanhaC. H. Monken

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