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![Artist's impression of single photons' behavior when passing through an interferometer having a quantum beam-splitter at its output. [Copyright F. Kaiser & S. Tanzilli - CNRS]](IMG/png/art.png "Artist's impression of single photons' behavior when passing through an interferometer having a quantum beam-splitter at its output. [Copyright F. Kaiser & S. Tanzilli - CNRS]")
Artist’s impression of single photons’ behavior when passing through an interferometer having a quantum beam-splitter at its output. [Copyright F. Kaiser & S. Tanzilli - CNRS]
For more details, see F. Kaiser et al., "Entanglement-Enabled Delayed-Choice Experiment", Science 338, 637 (2012)
DOI: 10.1126/science.1226755