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Shanghai University Unveils Revolutionary All-Optical AI Chip

12/20/2025

Summary

Story summary

Shanghai Jiao Tong University unveiled LightGen, an all-optical chip for large-scale generative artificial intelligence models.
The development addresses growing computational and energy demands of generative AI.
LightGen integrates millions of optical neurons and uses a unique training algorithm for high-resolution image and video generation with energy efficiency.
Performance tests show it can significantly outperform leading electronic neural networks.

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Story summary

Shanghai Jiao Tong University unveiled LightGen, an all-optical chip for large-scale generative artificial intelligence models.
The development addresses growing computational and energy demands of generative AI.
LightGen integrates millions of optical neurons and uses a unique training algorithm for high-resolution image and video generation with energy efficiency.
Performance tests show it can significantly outperform leading electronic neural networks.