Quantum Dot Single-Photon Emission Coupled into Single-Mode Fibers with 3D Printed Micro-Objectives

• DOI: 10.1364/cleo_at.2021.atu2s.5
• Publication Date: 2021-08-17T14:45:28Z
• Authors: Lucas Bremer; Ksenia Weber; Sarah Fischbach; Simon Thiele; Marco Schmidt; Arsenty Kaganskiy; Sven Rodt; Alois Herkommer; Marc Sartison; Simone Luca Porta...; Peter Michler; Harald Giessen; Stephan Reitzenstein
• Keywords: optical properties; optical fibers; FOS: Physical sciences; quantum dots; Applied Physics (physics.app-ph); 02 engineering and technology; 01 natural sciences; 7. Clean energy; quantum information; Mesoscale and Nanoscale Physics (cond-mat.mes-hall); 0103 physical sciences; ddc:530; Applied optics. Photonics; multiphoton lithography; Condensed Matter - Mesoscale and Nanoscale Physics; electron-beam lithography; quasiparticle; Physics - Applied Physics; 3D printing; 530 Physik; TA1501-1820; microoptics; 0210 nano-technology; photoemission

We demonstrate the on-chip integration of a deterministically fabricated quantum dot micro-lens, a 3D-printed micro-objective and a single-mode fiber-coupler. The resulting quantum device has a broadband photon extraction efficiency with a coupling efficiency of 22%.