Facing US chip curbs, China launches photonics lab to power AI with light

China inaugurated its first industry-academia platform, the Shanghai Key Laboratory of Integrated Photonic Computing Chips and Systems, on Wednesday. The lab, based at Shanghai Jiao Tong University, focuses on photonics—a technology using light particles (photons) instead of electrons to transmit and compute data. Zou Weiwen, the lab’s director and a photonics professor, highlighted photonics’ potential to deliver higher performance and lower energy consumption than traditional silicon semiconductors, addressing the limitations of current AI hardware. The initiative follows US export curbs that have restricted China’s access to advanced AI chips. Photonics could provide a solution by offering advantages like faster data transmission, reduced latency, and minimal heat generation. The lab will research photonic chip architectures, silicon-photonics integration, optical components, and algorithms to commercialize the technology. The launch aligns with global efforts to meet AI’s growing demands for computing power and energy efficiency. Traditional semiconductors are struggling to keep pace with the surging needs of AI models, making photonics a promising alternative. China’s move underscores its commitment to developing indigenous high-tech solutions amid geopolitical challenges. The Shanghai lab will collaborate with industry partners to accelerate practical applications, ensuring China remains competitive in AI innovation. Its work could redefine computing infrastructure, particularly in data centers supporting advanced AI systems.