Breakthrough in Qubits Could Lead to Mass Production of Quantum Processors

A team of French nerds, that is, scientists (that is nerds, but don’t get all upset because I consider myself a proud member of the nerd tribe), have developed a new way of producing qubits, the building blocks of quantum processers, that might usher in ‘large-scale fabrication” of the precious things.

This brings us all the more closer to seeing quantum computers in every home in the somewhat near future.

From Next Big Future

Breakthrough to wafer scale quantum processors using silicon isotope and eventually trillions of qubits

“Using the isotope 28Si instead of natural silicon is crucial for the optimization of the fidelity of the silicon spin qubit,” said Marc Sanquer, a research director at Inac. “The fidelity of the spin qubit is limited to small values by the presence of nuclear spins in natural silicon. But spin qubit fidelity is greatly enhanced by using 28Si, which has zero nuclear spin. We expect to confirm this with qubits fabricated in a pre-industrial CMOS platform at CEA-Leti.”

Qubits are the building blocks of quantum information. They can be made in a broad variety of material systems, but when it comes to the crucial issue of large-scale integration, the range of possible choices narrows significantly. Silicon spin qubits have a small size and are compatible with CMOS technology. They therefore present advantages for large-scale integration compared to other types of qubits.

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