{"id":5681,"date":"2021-06-11T15:59:00","date_gmt":"2021-06-11T13:59:00","guid":{"rendered":"https:\/\/www.cailabs.com\/technical-publications-and-conferences\/mode-analysis-of-atmospheric-turbulence-mitigation-with-multi-plane-light-conversion\/"},"modified":"2024-02-26T15:04:13","modified_gmt":"2024-02-26T14:04:13","slug":"mode-analysis-of-atmospheric-turbulence-mitigation-with-multi-plane-light-conversion","status":"publish","type":"publication","link":"https:\/\/www.cailabs.com\/fr\/publications-techniques-conferences\/aerospatial-et-defense\/mode-analysis-of-atmospheric-turbulence-mitigation-with-multi-plane-light-conversion\/","title":{"rendered":"Mode analysis of atmospheric turbulence mitigation with Multi-Plane Light Conversion"},"content":{"rendered":"\n

David Allioux1<\/sup> <\/strong><\/p>\n\n\n\n

1<\/sup>Cailabs (France)<\/p>\n\n\n\n

Abstract<\/strong><\/p>\n\n\n\n

Developing standard and accessible atmospheric turbulence mitigation is of paramount importance to enable laser communication network deployment. Multi-Plane Light Conversion (MPLC) [1]\u2013[3] is proving to be an effective technique to improve coupling efficiency of a perturbated wave-front profile towards a single-mode fiber [4]\u2013[6]. However, to date, experimental studies are restricted to a fixed number of modes. In this work, we numerically and experimentally study performance improvement of the MPLC technique and mode collection compared to direct single mode fiber coupling for several D\/r0 ratio, D being the receiver aperture diameter and r0 the Fried parameter. We calculate the coupling efficiency, represented in Fig 1. Collection for SMF only is shown in Fig 1-a while the summation of the 15 first Hermite-Gaussian modes is represented in Fig 1-b. Collection for each mode for D\/r0=4 is displayed in Fig 1-c. We demonstrate that 15 modes MPLC appears to be a good compromise between number of modes and complexity of the device. This configuration typically improves the collection efficiency by >7 dB in the case of strong turbulence when D\/r0 >4. More important, the minimum collection efficiency that would correspond to a link failure is dramatically increased compared to SMF fiber alone. MPLC thus shows high robustness to turbulence fluctuation.<\/p>\n\n\n\n

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More information<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

ICSO 2020<\/p>\n","protected":false},"author":2,"parent":0,"template":"","categorie-publication":[99,102],"class_list":["post-5681","publication","type-publication","status-publish","hentry","categorie-publication-aerospatial-et-defense","categorie-publication-communications-laser"],"acf":[],"yoast_head":"\nMode analysis of atmospheric turbulence mitigation with Multi-Plane Light Conversion - Cailabs<\/title>\n<meta name=\"description\" content=\"Laser communication offers orders of magnitude higher throughput than RF with greater stealth and no frequency allocationDeveloping standard and accessible atmospheric turbulence mitigation is of paramount importance to enable laser communication network deployment.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cailabs.com\/fr\/publications-techniques-conferences\/aerospatial-et-defense\/mode-analysis-of-atmospheric-turbulence-mitigation-with-multi-plane-light-conversion\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mode analysis of atmospheric turbulence mitigation with Multi-Plane Light Conversion - 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