3D-Printed Optical Elements for Coupling of VCSEL and Photodiode Arrays to Multi-Core Fibers in an SFP Transceiver Assembly. - Pascal Maier; Yilin Xu; Matthias Lauermann; Alexandra Henniger-Ludwig; Hermann Kapim; Mareike Trappen; Torben Kind; Achim Weber; Matthias Blaicher; Philipp-Immanuel Dietrich; Clemens Wurster; Sebastian Randel; et al. (OFC, 2022)