Engineers at the University of Pennsylvania have developed a new chip that utilizes light waves for the mathematical computations required to train artificial intelligence. This innovative chip is expected to significantly accelerate computer processing speeds while reducing energy consumption, potentially enhancing online privacy protection. By combining nanomaterial manipulation with optical mathematical computation, it provides an important platform for the development of neural networks in AI tools. The development of this silicon photonic chip is anticipated to bring about revolutionary changes in computational performance and privacy protection.