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12 July 2023 AO-enhanced quantum communications with the ANU Optical Ground Station
Noelia Martinez, Sebastian Kish, Francis Bennet, Marcus Birch, Ping Koy Lam, Kate Ferguson
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Proceedings Volume 12777, International Conference on Space Optics — ICSO 2022; 127776O (2023) https://doi.org/10.1117/12.2691350
Event: International Conference on Space Optics — ICSO 2022, 2022, Dubrovnik, Croatia
Abstract
Satellites have the potential to support quantum communication over much longer distances than fibre optics networks and, as a result, there is a large amount of investment globally in quantum communication satellites. The Australian National University Optical Ground Station aims to provide ground services support for quantum communication satellites, and enhance the quantum link performance by the use of Adaptive Optics techniques. Numerical simulations have been carried out to assess the advantage of correcting the atmospheric turbulence on quantum downlinks with Adaptive Optics. Fibre coupling efficiency of the communications light onto a single mode fibre has been chosen as the performance metric. We pay special attention to the focusing optics and optimise them for the Single Mode Fibre coupling. We present the minimum requirements for an AO system to produce a significant improvement on the quantum link using off-the-shelf components. This paper gathers the main outcomes of the end-to-end numerical simulation and describes a potential pathway for future atmospheric corrected quantum communications.
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Noelia Martinez, Sebastian Kish, Francis Bennet, Marcus Birch, Ping Koy Lam, and Kate Ferguson "AO-enhanced quantum communications with the ANU Optical Ground Station", Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 127776O (12 July 2023); https://doi.org/10.1117/12.2691350
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KEYWORDS
Adaptive optics
Atmospheric optics
Quantum receivers
Atmospheric turbulence
Astronomical imaging
Wavefront sensors
Satellites
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