Double-slit quantum eraser

@article{Walborn2001DoubleslitQE,
  title={Double-slit quantum eraser},
  author={Stephen Patrick Walborn and Marcelo O. Terra Cunha and S. P{\'a}dua and Carlos H. Monken},
  journal={Physical Review A},
  year={2001},
  volume={65},
  pages={033818}
}
We report a quantum eraser experiment which actually uses a Young double slit to create interference. The experiment can be considered an optical analogy of an experiment proposed by Scully, Englert, and Walther [Nature (London) 351, 111 (1991)]. One photon of an entangled pair is incident on a Young double slit of appropriate dimensions to create an interference pattern in a distant detection region. Quarter-wave plates, oriented so that their fast axes are orthogonal, are placed in front of… 

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