High efficiency generation of path entangled bi-photons directly from 2D poled nonlinear crystal
Giuseppe Di Domenico, Shaul Pearl, Aviv Karnieli, Sivan Trajtenberg‐Mills, Irit Juwiler, H. S. Eisenberg, Ady Arie · 2021
A new photonic N00N state source is presented, where the two entangled photons are directly generated at a spatially shaped periodically poled nonlinear crystal. An interference experiment shows the super resolution that characterize such states.