Multimode Free Space Optical Link Enabled by SiP Integrated Meshes. - Maziyar Milanizadeh; Seyed Mohammad Seyedin Navadeh; Giorgia Benci; Christian De Vita; Charalambos Klitis; Marc Sorel; Francesco Zanetto; Giorgio Ferrari; David A. B. Miller; Andrea Melloni; Francesco Morichetti (ECOC, 2021)