@misc{indiciae079d0091d423,
  title = {Compact double-grating coupler between vertically stacked silicon-on-insulator waveguides.},
  author = {Po Dong and Andrew G Kirk},
  year = {2005},
  doi = {10.1364/ao.44.007540},
  url = {https://pubmed.ncbi.nlm.nih.gov/16363778/},
  note = {Source identifier: 16363778}
}