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Express"],"published-print":{"date-parts":[[2024,6,3]]},"abstract":"<jats:p>Optical feeder links offer immense utility in meeting future communication demands\u2014however, 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\u2014a 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\u2005dB 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\u2005dB, while its use with a laser guide star shows an additional performance improvement of up to 8\u2005dB. These findings demonstrate the desirability and feasibility of utilizing pre-distortion AO for the realization of optical feeder links.<\/jats:p>","DOI":"10.1364\/oe.521494","type":"journal-article","created":{"date-parts":[[2024,5,13]],"date-time":"2024-05-13T04:00:07Z","timestamp":1715572807000},"page":"20976","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Pre-distortion adaptive optics for optical feeder links: simulations and performance analyses"],"prefix":"10.1364","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5386-6076","authenticated-orcid":true,"given":"Ilija R.","family":"Hristovski","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/04bwf3e34","id-type":"ROR","asserted-by":"publisher"}]},{"name":"The University of British Columbia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9079-1883","authenticated-orcid":true,"given":"James","family":"Osborn","sequence":"additional","affiliation":[{"name":"Centre for Advanced Instrumentation"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8985-4277","authenticated-orcid":true,"given":"Ollie J. 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Further distribution of this work must maintain attribution to the author(s) and the published article\u2019s title, journal citation, and DOI.","name":"copyright","label":"Copyright"}]}}