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Rochester researchers develop method to eliminate distortions in multimode fibers

The use of multimode optical fibers to boost the information capacity of the Internet is severely hampered by distortions that occur during the transmission of images because of a phenomenon called modal crosstalk. Rochester researchers devised a novel technique, described in a paper in Nature Communications, to “flip” the optical wavefront of an image for both polarizations simultaneously, so that it can be transmitted through a multimode fiber without distortion. Researchers at the University of South Florida and at the University of Southern California collaborated on the project.