@article{3939,
  author = {Dan-Gheorghita Matei and Thomas Legero and S. Häfner and Christian Grebing and Robin Weyrich and W. Zhang and Lindsay Sonderhouse and J. Robinson and Jun Ye and Fritz Riehle and Uwe Sterr},
  title = {1.5  μm Lasers with Sub-10 mHz Linewidth},
  year = {2017},
  journal = {Physical Review Letters},
  volume = {118},
  pages = {263202},
  month = {2017-06},
  issn = {0031-9007},
  url = {http://link.aps.org/doi/10.1103/PhysRevLett.118.263202},
  doi = {10.1103/PhysRevLett.118.263202},
}