Meta plans a 1 Pbps transatlantic cable using two-core fiber

Petal is due in 2029, linking the US and France with twice the capacity of Meta's 0.5 Pbps Anjana system.

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Primary source: Engineering at Meta on X

Why it matters

Petal would move multi-core fiber into a 7,000-kilometer operational system, giving hyperscalers another way to expand bandwidth without doubling cables, power and materials.

A section of an advanced subsea communication cable reveals glowing multi-core optical fibers submerged in the deep ocean.

Meta plans to build a 7,000-kilometer subsea cable capable of carrying 1 petabit per second between the United States and France, doubling the design capacity of the most advanced transatlantic systems operating at that distance.

https://x.com/Meta_Engineers/status/2102117645986431134

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