Skip to main content

Research Repository

Advanced Search

Pre-distortion adaptive optics for optical feeder links: simulations and performance analyses

Hristovski, Ilija R.; Osborn, James; Farley, Ollie J. D.; Townson, Matthew J.; Calvo, Ramon Mata; Femenía-Castella, Bruno; Torres, Joana S.; Holzman, Jonathan F.; Reeves, Andrew P.

Pre-distortion adaptive optics for optical feeder links: simulations and performance analyses Thumbnail


Authors

Ilija R. Hristovski

Profile Image

Ollie Farley o.j.d.farley@durham.ac.uk
Post Doctoral Research Associate

Matthew J. Townson

Ramon Mata Calvo

Bruno Femenía-Castella

Joana S. Torres

Jonathan F. Holzman

Andrew P. Reeves



Abstract

Optical feeder links offer immense utility in meeting future communication demands—however, atmospheric turbulence limits their performance. This work targets this challenge through analyses of a bidirectional free-space optical communication (FSOC) link that incorporates pre-distortion adaptive optics (AO) between the next-generation optical ground station at the German Aerospace Center (DLR) Oberpfaffenhofen and the laser communications terminal on Alphasat—a satellite in geostationary orbit (GEO). The analyses are performed via end-to-end Monte Carlo simulations that provide realistic performance estimates of the bidirectional FSOC link for a GEO feeder link scenario. We find that applying pre-distortion AO reduces the total uplink losses of the bidirectional FSOC link by up to 10 dB and lessens the scintillation at the GEO satellite by an order of magnitude. Moreover, applying pre-distortion AO eases the link budget requirements needed for maintaining 99.9% link uptime by as much as 20-40 dB, while its use with a laser guide star shows an additional performance improvement of up to 8 dB. These findings demonstrate the desirability and feasibility of utilizing pre-distortion AO for the realization of optical feeder links.

Citation

Hristovski, I. R., Osborn, J., Farley, O. J. D., Townson, M. J., Calvo, R. M., Femenía-Castella, B., …Reeves, A. P. (2024). Pre-distortion adaptive optics for optical feeder links: simulations and performance analyses. Optics Express, 32(12), 20976-20991. https://doi.org/10.1364/oe.521494

Journal Article Type Article
Acceptance Date May 10, 2024
Online Publication Date May 22, 2024
Publication Date May 22, 2024
Deposit Date Jul 9, 2024
Publicly Available Date Jul 9, 2024
Journal Optics Express
Publisher Optica
Peer Reviewed Peer Reviewed
Volume 32
Issue 12
Pages 20976-20991
DOI https://doi.org/10.1364/oe.521494
Public URL https://durham-repository.worktribe.com/output/2522777

Files





You might also like



Downloadable Citations