Distortion-free structured light

https://phys.org/news/2023-02-distortion-free.html

"possible to find distortion-free forms of light that come out of a noisy channel exactly the same as they were put in... doesn't matter how long this medium is, nor how strong the perturbation... transporting classical and quantum light through optical fiber, underwater channels, living tissue, and other highly aberrated systems... imaging and communication"