20 January 2024, Volume 11, Issue 1, pp. 1-136

All-optically reversing the modal dispersion of optical fibers. Light from a scene in the distance is entering a multimode optical fiber. Propagation through the fiber scrambles the image into a speckle pattern. The light then passes through a cascade of inverse-designed static diffractive optical elements that reverse this scrambling process, passively reconstructing any image transmitted through the fiber. See Kupianskyi et al., pp. 101–112. See print version of the cover. (Image credit: José do Amaral Rocha)