💻 Technology 8h ago · Cate Lawrence

The quantum bottleneck isn’t chips — it’s lasers, and Vexlum wants to fix it

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The quantum bottleneck isn’t chips — it’s lasers, and Vexlum wants to fix it
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For Vexlum CEO and CTO Jussi-Pekka Penttinen, in Finland, there’s a simple way to tell if a company has moved from startup to scale-up: whether it has a sauna in the factory.
“We do. So we consider ourselves a real company now.”
When people think about semiconductors, they usually think about silicon chips. But Vexlum specialises in III-V semiconductors, which are essential for lasers, solar cells, and detectors.
The scaling up of technologies such as quantum computing and atomic clocks is cu

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