• Two Nature studies demonstrate large-scale integrated photonic accelerators achieving ultralow latency for combinatorial optimization and universal AI computing.
• A 64×64 photonic arithmetic computing engine (PACE) integrates over 16,000 photonic components on a single chip using advanced 2.5D hybrid packaging.
• Photonic accelerators offer intrinsic advantages in bandwidth, latency, and energy efficiency, positioning them as competitive alternatives to electronic AI chips.
• Breakthroughs in electro-optical co-packaging and system integration mark a critical step toward commercialization of photonic computing.