@misc{indiciae090f23b18d07,
  title = {Double-groove, two-depth grating coupler for light guides.},
  author = {Pasi Laakkonen and Samuli Siitonen and Markku Kuittinen},
  year = {2006},
  doi = {10.1364/josaa.23.003156},
  url = {https://pubmed.ncbi.nlm.nih.gov/17106471/},
  note = {Source identifier: 17106471}
}