Prof. Li Yu is a Professor at the School of Science, Beijing University of Posts and Telecommunications, Beijing, China. She is also the Head of the Physics Department at the School of Science and Executive Director of Beijing Physical Society. She won the third prize for scientific and technological progress of the Ministry of Information Industry in 1999. Her research field focuses on nanophotonics, surface plasmon, surface plasmon nano-waveguides, and strong coupling between surface plasmon and quantum systems.