Rhonexum Sàrl

Advancing cryogenic electronics for quantum and beyond.

Rhonexum Sàrl is a Swiss deep tech company developing specialized microchips that allow quantum computers to scale up. The company addresses a critical system-level bottleneck: today’s quantum instrumentation cannot grow efficiently as quantum computers increase in size.
Rhonexum’s objective is to become a key enabling technology provider for large-scale quantum computing, supplying the cryogenic microchips required to move the industry from experimental machines to commercially viable systems.
The company is a spin-off from EPFL (École Polytechnique Fédérale de Lausanne) AQUA Lab and was founded by Vicente Carbon, a systems-level robotics engineer, and Dr. Hung-Chi Han, a recognized expert in low-temperature electronics.

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08.05.2026

Startup Champions Seed Night celebrates 15th edition at EPFL (venturelab.swiss)

18.03.2026

Rhonexum cryogenic electronics attracts USD 1 million investment (startupticker.ch)

20.01.2026

Startups rely on each other’s strengths (startupticker.ch)

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