Quantum dot single-photon emission coupled into single-mode fibers with 3D printed micro-objectives oleh Lucas Bremer, Ksenia Weber, Sarah Fischbach, Simon Thiele, Marco Schmidt, Arsenty Kaganskiy, Sven Rodt, Alois Herkommer, Marc Sartison, Simone Luca Portalupi, Peter Michler, Harald Giessen, Stephan Reitzenstein