Researchers from the University of Sussex and Universal Quantum have come up with a new way to connect quantum microchips that could change the way quantum computing works.

The new method of connecting quantum microchips, which has broken all previous records, is based on a simple and scalable jigsaw design. Read more.

Breakthrough in Quantum Computing

IFLScience reports that these new microchips have electrodes placed at the edges rather than the middle that is so precise that they can control a single atom. The overhanging electrodes are aligned to connect the microchips with a 99.999993 percent success rate and a speed of 2,424 qubits per second.

This is a significant improvement over the previous fastest rate of 180 qubits per second with a 94 percent success rate. The error rate is so low that correction is no longer necessary, and the speed is much faster than the current photonic interconnect approach.

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The senior author of the study, Professor Winfried Hensinger, told IFLScience that the new approach to scaling quantum computing is a fundamental step change and offers a solution that is as simple as a puzzle you play at home.

He added that the results are already good enough for fault-tolerant quantum computing and that the team believes that they can add another order of magnitude to the rate in the future.

A Closer Look at the Breakthrough Study

The study at hand focuses on improving the performance of large quantum computers. The researchers used a computer architecture known as a "quantum charge-coupled device" to accomplish this.

However, the size of these devices limits the number of parts, known as "qubits," that the research team can have. To address this, they employ a technique known as a "quantum matter-link" to transfer qubits between different parts of the computer.

This new method of connecting quantum microchips developed by the University of Sussex and Universal Quantum has broken all previous records in terms of speed and fidelity.

The method lets the computer use more qubits, which makes it more reliable and able to handle bigger tasks.

Advancements in Quantum Computing

InterestingEngineering reported in November 2022 that IBM had revealed the world's fastest quantum computer with 433 qubits, breaking the previous record of 127 qubits. The 433-qubit "Osprey" processor has the most qubits of any IBM processor and is three times the size of the company's previous record-breaking 127-qubit Eagle processor.

Quantum computing has the potential to solve problems that are beyond the reach of classical computers, such as cryptography, optimization, and drug discovery.

This new method of connecting quantum microchips could overcome some of the limitations of today's machines, such as speed and fidelity.

The method's jigsaw design lets you do any kind of computation with as many qubits as you need, and it does not matter how many microchips you connect. 

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