Research Team (IMAGE) The Hong Kong Polytechnic University Caption Research Team is: Prof. Alex Wai (middle), PolyU Vice President (Research Development) and Chair Professor of Optical Communications, Prof. Chao Lu (right), Professor, Department of Electronic and Information Engineering, and Dr. Alan Lau (left), Associate Professor, Department of Electrical Engineering. Credit The Hong Kong Polytechnic University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.