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Quintessent raises $40M Series A for data center optical interconnects, led by Cycle Capital
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Quintessent, a startup developing optical interconnects for data centers, raised a $40 million Series A round led by Cycle Capital, following an $11.4 million seed round in 2024.
Optical interconnects address the bandwidth and power bottlenecks in data center infrastructure, which intensify as AI workloads scale. The round size signals investor confidence that photonic links can move from lab to deployment at a time when electrical interconnects are hitting physical limits.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
Quintessent raised a $40M Series A led by Cycle Capital to ramp its optical interconnect technology.
The startup previously closed an $11.4M seed round in 2024.
The company targets data center interconnects, where demand for higher bandwidth is growing with AI compute density.
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