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Rewiring the photonics supply chain: germanium, gallium and the new materials crisis

A montage of men's faces above the logo for The Photonics100 and the State of Photonics Report 2026
From germanium and gallium shortages caused by export controls to InP shortages driven by AI data centre demand, the photonics industry is confronting a supply chain crisis that is technical, political and existential

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