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Q: Fachverband Quantenoptik und Photonik
Q 74: Quantum Information – Concepts and Methods
Q 74.2: Talk
Friday, March 6, 2026, 11:15–11:30, P 10
Studying the feasibility of distributed quantum computing enabled via satellite communication — •Lukas Pausch1, Davide Orsucci2, Philipp Kleinpaß2, Alexander Sauer1, Florian Moll2, and Matthias Zimmermann1 — 1Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR), Institute of Quantum Technologies, Ulm, Germany — 2Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR), Institute of Communications and Navigation, Oberpfaffenhofen, Germany
In future quantum networks, satellite-mediated quantum communication could be used to enable distributed quantum computing (DQC). In this talk, we present the current state of our ongoing analysis on potential use cases for satellite-enabled distributed quantum computing and on their feasibility based on hardware restrictions and algorithm requirements: On the one hand, we investigate entanglement distribution via satellites, considering different orbits and entanglement distribution schemes, and we evaluate restrictions regarding, e.g., entanglement distribution rates or connection times. On the other hand, we analyse and assess possible DQC applications that might require long-range communication. Furthermore, we investigate the current state of the art of quantum-computing hardware and interconnects between matter qubits and flying qubits (photons), with a particular focus on DQC. These considerations will enable us to evaluate the gap to be bridged by future developments and to identify the necessary steps to be taken for a future implementation of satellite-enabled DQC.
Keywords: Distributed quantum computing; Entanglement distribution; Satellite links