Quantum Computing

Eeroq Unveils “Magic Lake” Electron Details on Helium Quantum Processor Technology

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Diagram Showing Two Qubit Gate Operation with Eeroq Electrons on Helium Technology. Credit: Eeroq

Erok, the Chicago-based quantum hardware startup has operated mostly in stealth mode until now, but has now just taped its “Wonder Lake” processor chip for fabrication at American semiconductor founders and provided additional details about the chip and its architecture. Eeroq uses the unique electrons in the liquid helium architecture. Although several academic groups are researching this technology, Eeroq is the only commercial company we know of that works with this modality. The Eeroq team believes their approach has the following advantages:

● qubit coherence of 10+ seconds
● High qubit connectivity
● Identical qubits, controllable in parallel with only a few voltages on the CMOS chip
● Mobile qubits on a helium surface (providing up to 50x the reduced overhead required for error correction)
● 99.9% gate fidelity.
● Modular interconnected systems … so all the quantum computing power you need will be in a thumbnail-sized device!

The “Magic Lake” chip they had recorded was expected to support 2432 qubits with only 30 control lines. The chip is compatible with standard CMOS semiconductor processing and provides all the basic electronic control lines and control layers. Once Eeroq receives the chip back from the foundry, they will add liquid helium and electronics and will begin testing and characterization. Since the qubits consist only of individual electronics, the design would offer the smallest dead area per qubit of any modality which they hoped would allow them to scale quickly without the need for a multi-processor network architecture. Also, because the electrons themselves are all created by nature and identical, there will be little variability in the operation of a qubit, except for the minuscule variation in the fabrication process for the control electrode that the company suggests will be less than 0.01%. So their design is expected to provide high gate fidelity once they start testing qubits.

Eeroq describes their design approach as “building a quantum computer backwards” because rather than starting with a small chip at first and then upgrading it, they started with a chip that would support a large number of qubits from the start. The company just posted a blog providing additional details about their technology and the Wonder Lake chip which you can read about Here.

July 20, 2023

dougfinke2023-07-20T19:28:20-07:00

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