@ARTICLE {33405,
author={T. A. Morgado and M. G. Silveirinha},
doi={10.1515/nanoph-2022-0451},
journal={Nanophotonics},
title={Directional dependence of the plasmonic gain and nonreciprocity in drift-current biased graphene},
year={2022},
month={November},
volume={11},
number={21},
pages={4929-4936},
ISSN={2192-8606}
}