Photonic entanglement with accelerated light

QUANTUM(2024)

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Abstract
Accelerated light has been demonstrated with laser light and diffraction. Within the diffracting field it is possible to identify a portion that carries most of the density beam energy, which propagates in a curved trajectory as it would have been accelerated by a gravitational field for instance. Here, we analyze the effects of this kind of acceleration over the entanglement between twin beams produced in spontaneous parametric down-conversion. Our results show that this type of acceleration does not affect entanglement significantly. The optical scheme introduced can be useful in the understanding of processes in the boundary between gravitation and quantum physics.
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