Enabling quantum free-space optical communication with adaptive optics

Michael Copeland; Elisa Jager; Francis Bennet; Marcus Birch; Mikhael Sayat; Oliver Thearle

doi:10.1117/12.3019511

28 August 2024 Enabling quantum free-space optical communication with adaptive optics

Michael Copeland, Elisa Jager, Francis Bennet, Marcus Birch, Mikhael Sayat, Oliver Thearle

Author Affiliations +

Proceedings Volume 13097, Adaptive Optics Systems IX; 1309777 (2024) https://doi.org/10.1117/12.3019511
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

We present the activities of the research School of Astronomy and Astrophysics at the Australian National University to implement adaptive optics techniques for quantum communications through a free-space channel. We have developed a portable horizontal quantum key distribution system with adaptive optics and demonstrated improved secret key rates when using AO in a turbulent channel. We also report on development to equip the Mt Stromlo optical communications ground station with an adaptive optics system to enable quantum communication links between the ground and space.

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Michael Copeland, Elisa Jager, Francis Bennet, Marcus Birch, Mikhael Sayat, and Oliver Thearle "Enabling quantum free-space optical communication with adaptive optics", Proc. SPIE 13097, Adaptive Optics Systems IX, 1309777 (28 August 2024); https://doi.org/10.1117/12.3019511

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