Quintessent bags $40M to develop lasers for AI clusters

Optical interconnect startup Quintessent Inc. today announced that it has raised $40 million in funding to ramp up production of its hardware.

Cycle Capital led the Series A raise.

It was joined by Goldman Sachs, Susquehanna International Group, Osage University Partners and several others.

The investment follows a $11.4 million seed round in 2024.

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