Quantum 2025 – scientific programme

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TUE: Tuesday Contributed Sessions

TUE 2: Quantum Networks: Technologies

TUE 2.1: Talk

Tuesday, September 9, 2025, 14:15–14:30, ZHG002

Quantum Dots for Quantum Networks — •Klaus D. Jöns — PhoQS Institute, CeOPP, and Department of Physics, Paderborn University

Germany has started more than a decade ago to invest in a platform-agnostic approach to quantum repeaters, funding multiple technological pathways, including semiconductor-based quantum dots as one of the brightest quantum light sources. I will highlight some of the remarkable achievements based on quantum dots and discuss the feasibility of on-demand generation of entangled photon pairs for quantum repeaters architectures that integrate external quantum memories. I will critically discuss bottlenecks and challenges to deploy quantum dots and put our results in a broader perspective.

Keywords: Quantum dots; Solid-state quantum emitter; Quantum networks; Photonic quantum technologies