@misc{W2059108078,
  author = {D. T. Smithey and M. Beck and Michael G. Raymer and Adel Faridani},
  title = {Measurement of the Wigner distribution and the density matrix of a light mode using optical homodyne tomography: Application to squeezed states and the vacuum},
  year = {1993},
  howpublished = {Physical Review Letters},
  doi = {https://doi.org/10.1103/physrevlett.70.1244}
}