@article{ColomMikheevaAchourietal.2023, author = {Remi Colom and Elena Mikheeva and Karim Achouri and Jesus Zuniga-Perez and Nicolas Bonod and Olivier J. F. Martin and Sven Burger and Patrice Genevet}, title = {Crossing of the branch cut: the topological origin of a universal 2π-phase retardation in non-Hermitian metasurfaces}, journal = {Laser Photonics Rev.}, volume = {17}, pages = {2200976}, doi = {10.1002/lpor.202200976}, year = {2023}, }