Imaging Spatiotemporal Hong-Ou-Mandel Interference of Biphoton States of Extremely High Schmidt Number
F. Devaux, A. Mosset, Paul‐Antoine Moreau, Éric Lantz · Physical Review X · 2020
For the first time, experiments show 2D spatial as well as temporal interference of pairs of entangled photons with enormous dimensionality, setting the stage for complex quantum information protocols that depend on space and time.