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A space division multiplexed free-space-optical communication system that can auto-locate and fully self align with a remote transceiver

Article scientifique 2019 Anglais

Résumé

Free-Space Optical (FSO) systems offer the ability to distribute high speed digital links into remote and rural communities where terrain, installation cost or infrastructure security pose critical hurdles to deployment. A challenge in any point-to-point FSO system is initiating and maintaining optical alignment from the sender to the receiver. In this paper we propose and demonstrate a low-complexity self-aligning FSO prototype that can completely self-align with no requirement for initial manual positioning and could therefore form the opto-mechanical basis for a mesh network of optical transceivers. The prototype utilises off-the-shelf consumer electrical components and a bespoke alignment algorithm. We demonstrate an eight fibre spatially multiplexed link with a loss of 15 dB over 210 m.

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Abadi, M., Cox, M., Alsaigh, R., Viola, S., Forbes, A., Lavery, M. (2019). A space division multiplexed free-space-optical communication system that can auto-locate and fully self align with a remote transceiver. https://doi.org/10.1038/s41598-019-55670-1

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Auteur(s)

Mojtaba Mansour Abadi Mitchell A. Cox Rakan E. Alsaigh Shaun Viola Andrew Forbes Martin P. J. Lavery

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