Dr. Milton Feng, from the University of Illinois, has developed single mode Oxide-VCSELs that are able to transmit data signals over longer distances, at higher speeds and with better fidelity than previously possible. Using self-aligned oxidation procedure they are able to uniformly oxidize the mode selective aperture layer and achieve higher transmission rates without sacrificing fidelity. VCSELs are important for use in 3D biosensors, consumer electronics as well as industrial cutting.