Cabrejo Ponce, MeritxellMeritxellCabrejo PonceMuniz, André A.L.M.André A.L.M.MunizHuber, MarcusMarcusHuberSteinlechner, Fabian OliverFabian OliverSteinlechner2023-02-012023-02-012022https://publica.fraunhofer.de/handle/publica/43469110.1364/CLEO_QELS.2022.FF4I.42-s2.0-85136780965With few measurement settings and no assumptions on the state, we show methods to certify the highest dimensionality of entanglement in the frequency domain harvested from a common χ(2) nonlinear crystal.enconference paper