@article{801071,
  author = {Sven Ramelow and Alexandra Mech and Marissa Giustina and Simon Groeblacher and Witlef Wieczorek and Adriana Lita and Brice Calkins and Thomas Gerrits and Sae Nam and Anton Zeilinger and Rupert Ursin},
  title = {Highly efficient heralding of entangled single photons},
  year = {2013},
  number = {21},
  month = {2013-03-11 00:03:00},
  publisher = {Optics Express},
  doi = {https://doi.org/10.1364/OE.21.006707},
  language = {en},
}