Modified Two-Photon Interference Achieved by the Manipulation of Entanglement. (arXiv:1706.02871v2 [quant-ph] UPDATED)

In this theoretical study we demonstrate that entangled states are able to
significantly extend the functionality of Hong-Ou-Mandel (HOM) interferometers.
By generating a coherent superposition of parametric-down-conversion photons
and spatial entanglement in the input channel, the coincidence probability
measured at the output changes from a typical HOM-type dip (photon bunching)
into much richer patterns including an anti-bunching peak and rapid oscillation
fringes with twice the optical frequency. The considered system should be
realizable on a single chip using current waveguide technology in the $LiNbO_3$
platform.

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