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

Mansour Abadi, M., Cox, M. A., Alsaigh, R. E., Viola, S., Forbes, A. and Lavery, M. P.J. (2019) A space division multiplexed free-space-optical communication system that can auto-locate and fully self align with a remote transceiver. Scientific Reports, 9, 19687. (doi: 10.1038/s41598-019-55670-1) (PMID:31873095) (PMCID:PMC6928158)

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Abstract

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.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Lavery, Professor Martin and Viola, Mr Shaun and Mansour Abadi, Dr Mojtaba and Alsaigh, Rakan Edrees M
Authors: Mansour Abadi, M., Cox, M. A., Alsaigh, R. E., Viola, S., Forbes, A., and Lavery, M. P.J.
College/School:UNSPECIFIED
Journal Name:Scientific Reports
Publisher:Nature Publishing Group
ISSN:2045-2322
ISSN (Online):2045-2322
Published Online:23 December 2019
Copyright Holders:Copyright © The Authors 2019
First Published:First published in Scientific Reports 9:19687
Publisher Policy:Reproduced under a Creative Commons license

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
173088EPSRC Global Challenges Research Fund Institutional Sponsorship Award 2016 - University of GlasgowJonathan CooperEngineering and Physical Sciences Research Council (EPSRC)EP/P510968/1Research and Innovation Services
173260High Dimensional Free-space Building-to-Building Link for Last-Mile CommunicationsMartin LaveryEngineering and Physical Sciences Research Council (EPSRC)EP/N032853/1ENG - Electronics & Nanoscale Engineering