“We explore a range of projects that turn light into a powerful medium for data communication and object or behavioral sensing,” says Xia Zhou, an associate professor of computer science. “Our recent projects include visible light communication systems and applications, smartphone sensing, and efficient spectrum monitoring to enforce the usage of radio spectrum.” 

While her research interests include mobile systems and wireless networking, most of her current projects center on light, to which she refers as…”

Source: https://www.ecnmag.com/videos/2019/03/video-using-light-move-wireless-data-faster