Research

Publication

Analysis of Josephson junction barrier variation — a combined STEM, breakdown and Monte-Carlo approach

Understanding the make-up of Josephson junctions to secure robust feedback metrics which support and inform…

Abbie CurbisonFebruary 18, 2025

A black background with white text overlayed. Resource guide for energy efficiency and quantum computing

Guides

Energy efficiency and quantum compute

Quantum computing could positively impact the energy efficiency of compute. In our new resource, we…

Abbie CurbisonJanuary 20, 2025

Publication

Integration of through-sapphire substrate machining with superconducting quantum processors

Superconducting qubits are a promising route to achieving large-scale quantum computers. In this paper, we…

Abbie CurbisonJanuary 19, 2025

Virtual Z gates are special because they don't physically alter the qudit's state but instead change the phase of the operations. By assuming these gates are perfect, the new method simplifies the GST process, reducing computational costs and data collection needs.

Quickbits

A more efficient way to characterise the performance of quantum systems

This new GST method successfully characterises qudit logic gates with comparable accuracy to traditional methods…

Abbie CurbisonSeptember 17, 2024

Guides

What are superconducting qubits?

Superconducting qubits are a leading quantum modality. In our new resource, we provide everything you…

Abbie CurbisonSeptember 3, 2024

Press Release

General Counsel, Nikki Cooper, appointed to OQC C-Suite

READING, UK -July 5th 2024: OQC expand leadership with appointment of General Counsel to C-Suite…

Abbie CurbisonJuly 8, 2024

Press Release

Dr. Peter Leek, appointed as Chief Scientific Officer

READING, UK -June 20th 2024: OQC today announced the appointment of Dr Peter Leek as…

Abbie CurbisonJune 20, 2024

Left: Josephson junctions fabricated in radial pattern around where it was going to be micro-machined later. Right: JJs located

Technical Blog

Overcoming scale-up challenges of sapphire-based quantum processors

In a world-first, we have developed a sapphire micro-machining process that integrates seamlessly with our…

Abbie CurbisonJune 17, 2024

(a) As-fabricated Josephson junction resistances from a typical OQC Lucy-8QPU wafer. JJ resistances are in three separate design groups 1, 2, and 3, designated by the colours grey, red, and blue. (b) The same wafer having undergone our electron-beam annealing process. The spread of each JJ group is reduced.

Technical Blog

E-beam annealing of Josephson junctions offers precise control over qubit frequencies

Electron-beam (e-beam) annealing of Josephson junctions offers precise control over qubit frequencies post-fabrication.

Abbie CurbisonMarch 14, 2024

Technical Blog

Hardware efficient error detection

Error-detection and correction is needed to improve computations. OQC have demonstrated a hardware efficient method…

Abbie CurbisonMarch 11, 2024

Analysis of Josephson junction barrier variation — a combined STEM, breakdown and Monte-Carlo approach

Energy efficiency and quantum compute

Integration of through-sapphire substrate machining with superconducting quantum processors

A more efficient way to characterise the performance of quantum systems

What are superconducting qubits?

General Counsel, Nikki Cooper, appointed to OQC C-Suite

Dr. Peter Leek, appointed as Chief Scientific Officer

Overcoming scale-up challenges of sapphire-based quantum processors

E-beam annealing of Josephson junctions offers precise control over qubit frequencies

Hardware efficient error detection

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