@article{rubio-mercedes_cunha_silva_2023,  title={Numerical Analysis of Plasmonic Couplers based on Metallic Lens},  volume={22},  ISSN={2179-1074},  url={https://doi.org/10.1590/2179-10742023v22i3274367},  DOI={10.1590/2179-10742023v22i3274367},  number={3},  journal={Journal of Microwaves, Optoelectronics and Electromagnetic Applications},  publisher={Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo},  author={Rubio-Mercedes, Cosme E. and Cunha, Nilson H. O. and Silva, José P. da},  year={2023},  month={Sep},  pages={346–359} }