Summary：**Tower Semiconductor Ships 5M Photonic Chips, Revolutionizing AI Data Centers Away From Copper**

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**Tower Semiconductor Ships 5M Photonic Chips, Revolutionizing AI Data Centers Away From Copper**
*The shift to photonic chips in AI data centers signifies a major leap in energy efficiency and data speed, reshaping future tech infrastructure.*

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### Introduction
Tower Semiconductor announced today that it has delivered five million photonic‑based chips to leading hyperscale operators, marking one of the largest single‑shipments of optical interconnect technology to date. The move comes as AI workloads push traditional copper‑based links to their limits, prompting data‑center architects to seek alternatives that can handle terabit‑scale traffic without overheating or excessive power draw.

### Key Developments
The shipment consists of Tower’s latest silicon‑photonic transceivers, each capable of 800 Gbps per lane with sub‑nanosecond latency. Integrated directly onto AI accelerator cards, the chips replace copper traces and active electrical cables, cutting signal loss by more than 60 % and reducing per‑bit energy consumption to under 5 pJ. Early adopters report a 15‑20 % drop in overall rack power usage and a measurable improvement in training throughput for large language models. Tower’s fab in Migdal HaEmek ramped up production using a 300