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IEEE Spectrum

A trial called quess [The Big Picture]

Published Mar 20, 2017• 0 citations
Publisher

Abstract

THE WORLD'S FIRST satellite built specifically with hackers in mind was launched from China in August. The Chinese and Austrian researchers behind the Quantum Experiments at Space Scale, or Quess, hope their work will help improve digital encryption by yielding hack-proof key distribution. Part of the Quess experiment will focus on mastering a phenomenon called quantum entanglement for encryption.

DOI
10.1109/mspec.2017.7880448

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THE WORLD'S FIRST satellite built specifically with hackers in mind was launched from China in August. The Chinese and Austrian researchers behind the Quantum Experiments at Space Scale, or Quess, hope their work will help improve digital encryption by yielding hack-proof key distribution. Part of the Quess experiment will focus on mastering a phenomenon called quantum entanglement for encryption.
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By using satellites, ultra-long-distance quantum communication and tests of quantum foundations could be achieved at a global scale. The Quantum Experiment Science Satellite (QUESS) in China, also called Micius, one of the scientific satellite programs in the Strategic Priority Program on space science, the Chinese Academy of Sciences, was launched on 16 August 2016. There are totally 4 scientific payloads. We give a brief overview of the quantum experiment science satellite project and present most recent science results. The main scientific goal of the quantum experiment science satellite was achieved in 2017. Here, we introduce the latest achievements in satellite-based quantum communication and large-scale tests of quantum foundations obtained by Micius.
The Micius satellite was successfully launched on 16 August 2016, from Jiuquan, China, orbiting at an altitude of about 500 km. The main scientific goals, including satellite-to-ground quantum key distribution, satellite-based quantum entanglement distribution, ground-to-satellite quantum teleportation, and satellite relayed intercontinental quantum network, were achieved in 2017. As a starting point, the Micius satellite has become a platform for quantum science experiments at the space scale. Here, we introduce the latest experimental achievements (in 2018-2020) based on the Micius satellite.