Towards active electro-optic lithium niobate metasurfacesFlavia Timpu, Helena Weigand, Fabian Kaufmann, Felix U. Richter, Viola-Valentina Vogler-Neuling, Artemios Karvounis and Rachel GrangeEPJ Web Conf., 238 (2020) 05003DOI: https://doi.org/10.1051/epjconf/202023805003