Two-photon interference without bunching two photons

@article{Kim2003TwophotonIW,
  title={Two-photon interference without bunching two photons},
  author={Y. Kim},
  journal={Physics Letters A},
  year={2003},
  volume={315},
  pages={352-357}
}
  • Y. Kim
  • Published 2003
  • Physics
  • Physics Letters A
  • Abstract We report an experiment which conclusively demonstrates that the two-photon entangled state interference cannot be pictured as the overlap and ‘bunching’ of two individual photons on a beamsplitter. We also demonstrate that photon ‘bunching’ does not occur if the two-photon Feynman amplitudes are distinguishable, even though individual photons do overlap on a beamsplitter. 
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