@article{PhysRevFocus.24.11,
  title = {The Overlap of Two Photons},
  author = {Monroe, Don},
  journal = {Phys. Rev. Focus},
  volume = {24},
  issue = {},
  pages = {11},
  numpages = {1},
  year = {2009},
  month = {Sep},
  doi = {10.1103/PhysRevFocus.24.11},
  url = {http://link.aps.org/doi/10.1103/PhysRevFocus.24.11},
  publisher = {American Physical Society}
}