This dataset contains the raw data for the figures (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. S1, Fig. S2 and Fig. S3) in the publication entitled "Spatial and polarization division multiplexing harnessing on-chip optical beam forming" published by Laser & Photonics Reviews (DOI: 10.1002/lpor.202300298). Datafiles are in .txt format. All relevant information regarding the dataset, how it was obtained and its context is contained in the manuscript and the supporting information.

This work has been funded by the French Industry Ministry (Nano2022 project under IPCEI program); the Agence Nationale de la Recherche (ANR-MIRSPEC-17-CE09-0041, ANR-KASHMIR-22-CE24-0021); the European Union's Horizon Europe (Marie Sklodowska-Curie grant agreement Nº 101062518). This work was done within the C2N micro nanotechnologies platforms and partly supported by the RENATECH network and the General Council of Essonne.