Recently, “DeepTech” reported Prof. Chang’s work with the title "Young scholar from Peking University reveals the changes in the core technology of photonic chips, bringing major breakthroughs in the field of optical information processing, and it is expected to accelerate the transition to consumption. "

Related papers are published in Nature Photonics under the title of “Integrated optical frequency comb technologies”. As a cutting-edge scholar in the field of chips, Prof. Chang and his collaborators have achieved a series of major achievements in the research of photonic chips in recent years. The core technology developed by him and his team has opened the door to chip-based optical frequency combs.