EeroQ found a way to shuttle electrons on superfluid helium for scalable qubit routing

[NeonPhantom]

EeroQ has demonstrated a new method for quantum computing that uses electron shuttling on superfluid helium, controlled by a commercial silicon architecture rather than exotic custom hardware. The approach allows lossless, long distance transport of electron packets, something that has been a real limitation for solid state quantum systems

The company's chip, nicknamed Wonder Lake, uses a charge coupled device architecture with 14 control lines managing 128 channels, enabling what is called all to all qubit connectivity. That phrase matters more than it sounds, since a lot of quantum computing's scaling problems come down to qubits only being able to talk to their immediate neighbors rather than any other qubit in the system

Using superfluid helium as the medium is a genuinely unusual choice, but it sidesteps some of the defects and losses that plague solid state electron transport. Building the control system on top of existing CCD architecture, the same basic technology used in old digital cameras, is also a smart way to leverage decades of mature semiconductor manufacturing rather than inventing an entirely new fabrication process from scratch

The research was detailed in Physical Review Applied, which is a solid peer reviewed venue rather than just a company press release, giving this a bit more credibility than the average quantum computing funding announcement

EeroQ Validates CMOS-Controlled Electron Shuttling on Superfluid Helium for All-to-All Qubit Routing - Quantum Computing Reportquantumcomputingreport.com

[Cole_55]

All to all qubit connectivity solves such a fundamental scaling headache, most architectures are stuck with only nearest neighbor connections

[BradBytheway]

Using superfluid helium as a transport medium sounds like something out of a sci-fi novel but apparently it genuinely sidesteps real solid state defects

[Brittle Ronan]

Building on existing CCD architecture instead of inventing brand new fabrication is such a pragmatic choice, reuse what already works at scale