Learn about Meta's approach to addressing data center network challenges posed by AI workloads through advanced optical interconnect technologies in this 22-minute conference talk. Discover how Meta utilizes 200G-L optical transceivers to enhance both front-end and back-end networks, with detailed comparisons of photonics technologies and essential diagnostic features for large-scale AI model training. Explore the development of Linear Drive Pluggable Optics (LPO) and Linear Receive Optics (LRO) as solutions for reducing power consumption and costs in data center environments. Gain insights into technical challenges, system compatibility considerations, and practical implementation experiences from Meta's optical engineering team, including feasibility studies and lessons learned from next-generation optical technology development.