@article {doi:10.1063/1.5142637, title = {Controlling dispersion in multifunctional metasurfaces}, journal = {APL Photonics}, volume = {5}, number = {5}, year = {2020}, pages = {056107}, doi = {10.1063/1.5142637}, url = {https://doi.org/10.1063/1.5142637}, author = {Jared Sisler and Wei Ting Chen and Alexander Y. Zhu and Federico Capasso} }