新一代光计算芯片研究获突破
Xin Lang Cai Jing·2025-12-21 19:38

Core Insights - Generative artificial intelligence is advancing towards complex real-world applications, with increasing demands for computational power and energy consumption [1] - Shanghai Jiao Tong University has achieved a significant breakthrough in optical computing with the development of the LightGen chip, which supports large-scale semantic visual generative models [1][2] Group 1: Technological Advancements - LightGen integrates over one million optical neurons on a single chip, enabling breakthroughs in optical dimension conversion and a novel light-based generative model training algorithm [2] - The chip allows for a complete closed-loop process of "input-understanding-semantic manipulation-generation," enabling the system to extract and represent semantic information from input images [2] Group 2: Performance and Applications - LightGen can perform high-resolution image semantic generation, 3D generation, high-definition video generation, and semantic control, while also supporting denoising and feature transfer for large-scale generative tasks [2] - Industry experts believe that LightGen opens new pathways for next-generation computing chips to support advanced artificial intelligence and provides a new research direction for faster and more energy-efficient generative intelligent computing [2]