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13 March 2024 TILBA-ATMO: a 45-mode MPLC-based turbulence mitigation solution for optical ground stations for direct-to-earth LEO-to-ground laser communications
Antonin Billaud, Cédric Dautancourt, Tanguy Luttman, Claire Autebert, Thibault Michel, Pu Jian, Olivier Pinel, Guillaume Labroille
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Proceedings Volume 12877, Free-Space Laser Communications XXXVI; 128771D (2024) https://doi.org/10.1117/12.3003673
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
The rapidly growing field of space-to-ground laser communication offers high throughput and secure data transfer without frequency allocation. Cailabs' TILBA-ATMO, leveraging Multi-Plane Light Conversion (MPLC) technology, provides turbulence mitigation for atmospheric communication. The 8-mode version showed promise at 100 Gbps, but for Optical Ground Stations (OGS) with large telescopes, a 45-mode system is required. Our latest research demonstrates the 45-mode TILBA-ATMO effectively achieves 10 Gbps data rates, meeting OGS requirements for Low-Earth Orbit (LEO) satellite signals at high Greenwood frequency and large D/r0.
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Antonin Billaud, Cédric Dautancourt, Tanguy Luttman, Claire Autebert, Thibault Michel, Pu Jian, Olivier Pinel, and Guillaume Labroille "TILBA-ATMO: a 45-mode MPLC-based turbulence mitigation solution for optical ground stations for direct-to-earth LEO-to-ground laser communications", Proc. SPIE 12877, Free-Space Laser Communications XXXVI, 128771D (13 March 2024); https://doi.org/10.1117/12.3003673
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KEYWORDS
Laser communications
Turbulence
Data communications
Single mode fibers
Modal decomposition
Modulation
Photonic integrated circuits
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