Arumugam, Stree VithyaStree VithyaArumugamJisha, Chandroth P.Chandroth P.JishaAlberucci, AlessandroAlessandroAlberucciNolte, StefanStefanNolte2023-07-042023-07-042022https://publica.fraunhofer.de/handle/publica/44514610.1364/FIO.2022.JTu4A.252-s2.0-85146752746A waveguide based upon the Pancharatnam-Berry phase (PBP) confines light even in the absence of a refractive index gradient. Here, we investigate theoretically the properties and the robustness of the PBP waveguide.enconference paper