EeroQ

EeroQ describes itself as a quantum hardware company pursuing a scalable quantum computer built from single electrons trapped above pools of superfluid helium. According to its website, the company fabricates qubit control chips using standard CMOS technology and then adds electron qubits on top. It says its system is designed around high-mobility spin qubits on a single CMOS chip.

The company’s technical approach uses microchannels fabricated into silicon wafers, filled with superfluid helium and energized electrodes to trap individual or multiple electrons. EeroQ says it is currently working with the lateral motion of the electron in an engineered trap, while its longer-term goal is a large-scale quantum computer based on the electron’s magnetic moment, or spin. The website also states that this architecture is intended to support scaling through wafer-scale manufacturing. Its news page additionally references EeroQ’s headquarters and recent company developments, including a September 2024 visit by Illinois Governor JB Pritzker.