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Lumentum, the optical-components maker whose growth was led by pump lasers and optical circuit switches, reported net revenue for its fiscal first quarter ended 26 September 2026 of $1.26 billion, up from $533.8 million a year earlier

SourceLumentum Q1 FY2027 results·Q1 FY2027 (Nov 2026)

Verified 2026-11-13

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Optical parts carry data between the chips in AI clusters, so fast growth at suppliers like Lumentum shows AI spending is spreading beyond the processors themselves.

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