Celero raises $275m to bring coherent optics inside AI data centres

Celero Communications, a two-year-old chip startup, has raised $275m in a Series C round that values it at more than $3bn. It makes the processors that push data down fibre optic cables between AI chips, racks and whole data centres. Atreides Management, Valor Equity Partners and CapitalG, Alphabet’s growth fund, co-led the round.