We, on behalf of the conference committee, sincerely welcome you to the Light Conference 2016, to be held in Changchun, China. This conference, co-sponsored by the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP), CAS, and University of Rochester, organized by Editorial Department of Light:Science & Applications, supported by the National Natural Science Foundation of China (NSFC), Chinese Academy of Science (CAS), will bring together international leading experts with top Chinese scientists, young researchers, and students working in optics. The primary objective of this conference is to create a forum for scientists in optics from universities and research institutions worldwide to present their latest research results in optics, and to provide a networking platform for the optics community to develop a roadmap for research and development in the future. Internationally well-recognized experts are invited to present their state-of-the-art work on various aspects in the rapidly growing optics area. The conference will not only provide a venue for an in-depth scientific exchange, but also an opportunity to find potential collaborations and funding sources internationally, especially together with China. We would like to express our gratitude to all invited speakers, researchers, and students for your participation and involvement. We acknowledge the financial support from National Natural Science Foundation of China (NSFC), and Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP), Chinese Academy of Sciences (CAS).