https://www.sciencedaily.com/releases/2020/09/200916113414.htm > New research from a collaboration between Michigan Technological University and Argonne National Laboratory further improves optical signal processing, which could lead to the fabrication of even smaller fiber-optic devices. > The article, unveiling an unexpected mechanism in optical nonreciprocity -- developed by the research group of Miguel Levy, professor of physics at Michigan Tech -- has been published in the journal Optica. "Boosting Optical Nonreciprocity: Surface Reconstruction in Iron Garnets" explains the quantum and crystallographic origins of a novel surface effect in nonreciprocal optics that improves the processing of optical signals.