Sensorless adaptive optics for optical communications

Luca Rinaldi; Vincent Michau; Nicolas Védrenne; Cyril Petit; Laurent M. Mugnier; Caroline Lim; Joseph Montri; Laurie Paillier; Mathieu Boutillier

doi:10.1117/12.2582942

5 March 2021 Sensorless adaptive optics for optical communications

Luca Rinaldi, Vincent Michau, Nicolas Védrenne, Cyril Petit, Laurent M. Mugnier, Caroline Lim, Joseph Montri, Laurie Paillier, Mathieu Boutillier

Author Affiliations +

Proceedings Volume 11678, Free-Space Laser Communications XXXIII; 116780U (2021) https://doi.org/10.1117/12.2582942
Event: SPIE LASE, 2021, Online Only

Abstract

Mitigation of turbulence-induced disturbances is crucial for high data rate optical links in the atmosphere. Sensorless adaptive optics, based on the optimization of the coupling in a single mode fiber, is a promising solution as it circumvents the limitations of conventional wavefront sensing in strong perturbations. We propose the use of a spatial multiplexer to reduce the bandwidth of the temporal modulation required with such a technique. In this approach, after correction by a deformable mirror, the residual perturbations are analyzed thanks to the multiplexer. The concept and first results of laboratory tests are presented.

Citation Download Citation

Luca Rinaldi, Vincent Michau, Nicolas Védrenne, Cyril Petit, Laurent M. Mugnier, Caroline Lim, Joseph Montri, Laurie Paillier, and Mathieu Boutillier "Sensorless adaptive optics for optical communications", Proc. SPIE 11678, Free-Space Laser Communications XXXIII, 116780U (5 March 2021); https://doi.org/10.1117/12.2582942

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