@article{211841,
  author = {Leonardo Ranzani and Jose Aumentado},
  title = {A geometric description of nonreciprocity in coupled two-mode systems},
  year = {2014},
  month = {2014-10-16},
  publisher = {Physical Review X},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=915303},
  language = {en},
}