@article{ChuBrennerChenetal.2014,
  author    = {X. -L. Chu and Thomas J. K. Brenner and X. -W. Chen and Y. Ghosh and J. A. Hollingsworth and Vahid Sandoghdar and S. Goetzinger},
  title     = {Experimental realization of an optical antenna designed for collecting 99\% of photons from a quantum emitter},
  journal   = {Optica},
  volume    = {1},
  number    = {4},
  pages     = {203 -- 208},
  doi       = {10.1364/OPTICA.1.000203},
  year      = {2014},
}