@misc{W2068163719,
  author = {Andreas Wallraff and David Schuster and Alexandre Blais and Luigi Frunzio and Rutian Huang and Johannes Majer and S. Kumar and S. M. Girvin and Robert Schoelkopf},
  title = {Strong coupling of a single photon to a superconducting qubit using circuit quantum electrodynamics},
  year = {2004},
  howpublished = {Nature},
  doi = {https://doi.org/10.1038/nature02851}
}