@article{3261,
  author = {M. Bishof and X. Zhang and M. Martin and Jun Ye},
  title = {Optical Spectrum Analyzer with Quantum-Limited Noise Floor},
  year = {2013},
  journal = {Physical Review Letters},
  volume = {111},
  pages = {093604},
  month = {2013-08},
  issn = {0031-9007},
  url = {http://link.aps.org/doi/10.1103/PhysRevLett.111.093604},
  doi = {10.1103/PhysRevLett.111.093604},
}