Description

Lumentum’s $400 Million OCS Engine — Can AI Demand Keep Scaling?

Lumentum Holdings reported strong fourth-quarter fiscal 2026 results, driven by higher demand across components and systems. Revenue increased 109% year-over-year to $1.01 billion, marking the eighth consecutive quarter of growth. Components revenue rose 22% sequentially and systems revenue increased 30%. The company exceeded prior revenue growth and gross margin targets, achieving more than 50% non-GAAP gross margin, a milestone originally expected at a higher revenue run rate. Non-GAAP operating margin improved by more than 2,150 basis points year-over-year. Components benefited from strong laser demand, especially narrow linewidth laser assemblies and pump lasers. Pump laser shipments are expected to increase fourfold to support expanding AI and cloud infrastructure requirements. Lumentum is expanding continuous wave and electro-absorption modulated laser chip capacity, including next-generation 200-gig and 300-gig lane-speed products, supported by wafer fabrication expansion in Japan. Emerging 3D sensing applications were also identified as a future growth opportunity.