"Aiming to Build an Ultra-High-Speed Photonic Network" Naoaki Yamanaka, Department of Information and Computer Science, Faculty of Science and Technology, Keio University. The Yamanaka Laboratory is engaged in the research and development of next-generation network construction, systems, and applications using optical communication technology. At the same time, through research on what kinds of services will be available to end-users in the future, the laboratory aims to realize a more comfortable network environment.