His research interest is in the area of acoustic metamaterials and metasurface. Before joining the Hong Kong Polytechnic University in July 2014, he was a post-doc scholar and associate specialist with the department of mechanical engineering at University of California Berkeley, United States. In 2008, Dr. Zhu received his PhD degree in materials engineering from the intercollege program of materials at the Pennsylvania State University, United States. He earned the B.A degree in computer science and the M.S. degree in electrical engineering, both from Nanjing University, China.