Zurich’s Aylight has raised €4.5M in pre-seed for a laser chip that emits multiple wavelengths simultaneously, aiming to reduce the number of lasers AI data centres need. The round is a fraction of the money raised by rivals Ayar Labs ($500M) and Lightmatter ($400M), and comes weeks after Nvidia committed $4B to secure laser supply. It’s not the only startup chasing this fix: Swiss-American Enlightra raised $15M in December 2025 with a strikingl…
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