Building Europe's first space-based Quantum Key Distribution system -- The German Aerospace Center's role in the EAGLE-1 mission
- URL: http://arxiv.org/abs/2412.03222v1
- Date: Wed, 04 Dec 2024 11:17:22 GMT
- Title: Building Europe's first space-based Quantum Key Distribution system -- The German Aerospace Center's role in the EAGLE-1 mission
- Authors: Gabriela Calistro Rivera, Oliver Heirich, Amita Shrestha, Agnes Ferenczi, Alexandru Duliu, Jakob Eppinger, Bruno Femenia Castella, Christian Fuchs, Elisa Garbagnati, Douglas Laidlaw, Pia Lützen, Innocenzo De Marco, Florian Moll, Johannes Prell, Andrew Reeves, Jorge Rosano Nonay, Christian Roubal, Joana S. Torres, Matthias Wagner,
- Abstract summary: The EAGLE-1 mission aims to develop Europe's first sovereign, end-to-end space-based quantum key distribution system.
We report on the development of the QKD transmitter, a vital part of the QKD payload.
We present the main developments of the Optical Ground Station Oberpfaffenhofen (OGS-OP) for the mission.
- Score: 27.444643299343134
- License:
- Abstract: The EAGLE-1 mission aims to develop Europe's first sovereign, end-to-end space-based quantum key distribution (QKD) system. The mission is led by the European Space Agency (ESA) and SES in collaboration with several European National Space Agencies and private partners. The state-of-the-art QKD system will consist of a payload on board the EAGLE-1 low Earth orbit (LEO) satellite, optical ground stations, quantum operational networks, and key management system. The EAGLE-1 mission represents a major step for next-generation quantum communication infrastructures, delivering valuable technical results and mission data. The Institute of Communications and Navigation (IKN) of the German Aerospace Center (DLR) is a key partner in the EAGLE-1 mission and is involved in the research and development of elements in both space and ground segments. Here we report on the development of the QKD transmitter, a vital part of the QKD payload, and the customization of the Optical Ground Station Oberpfaffenhofen (OGS-OP) to conduct the IOT phase of EAGLE-1. For the space segment, DLR-IKN is in charge of the design of the QKD transmitter, including the development of the software and firmware. This transmitter generates quantum states which are used to implement a QKD protocol based on an optical signal, that will be transmitted to ground. For the ground segment, The OGS-OP will serve as the in-orbit testing ground station for EAGLE-1. Building upon the expertise with a range of satellites for quantum communication, as well as new implementations, OGS-OP will validate the performance of the payload, optical link and QKD system for the first time. We present the main developments of OGS-OP for the mission, which includes the implementation of an upgraded adaptive optics system to correct for atmospheric distortions and optimize the coupling of the incoming light into a single mode optical fiber.
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