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Photonics Characterization Intern- Winter 2026

Lightmatter

Boston, MAInternshipPosted September 11, 2026

Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage™, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads. Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. …

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The rest of the description, the direct apply link, your match score, a tailored resume and the recruiters to message all come with internOS Pro. 3 days free, then $10/month. Cancel anytime.