@article{hwang2011frequency_splitter,
  title={Frequency selective metal-insulator-metal splitters for surface plasmons},
  author={Hwang, Yongsop and Kim, Jae-Eun and Park, Hae Yong},
  journal={Optics Communications},
  volume={284},
  number={19},
  pages={4778--4781},
  year={2011},
  publisher={Elsevier}
}