Quantum computing breakthrough to speed up roll out by decades | #Hacking | #computerhacking


A British start-up has made a manufacturing breakthrough that could speed up quantum computing “by decades”.

Quantum Motion, a company founded by academics from UCL and Oxford University, says it has found a way to use commercially available silicon chips to build quantum computers, a discovery that could shave years off their development and dramatically lower their price.

By bringing the temperature of a chip down to −273°C, and with the use of small transistors, the researchers were able to measure the quantum state of a single electron for nine seconds, paving the way to eventually making smaller commercial quantum machines. 

Quantum computers promise a drastic leap forward in computing. While current computers store information in “bits”, which have a value of either one or zero, quantum computers use “qubits’ which can be both one and zero at the same time. 

That means they can solve calculations dramatically faster. In 2019, Google said its quantum computer solved a problem in 200 seconds that would have taken the world’s fastest supercomputer 10,000 years.

However right now, companies are struggling to find ways to build quantum computers powerful enough to solve the world’s most complicated problems.  

“Companies around the world, big and small, are following different approaches to try and build quantum computer. Some are using circuits made of superconductors, or trapped ions in vacuum chambers,” said John Morton, Quantum Motion’s founding director. 

“By focusing on hacking silicon chip technology to build qubits, Quantum Motion aims to be able to scale up quantum processors more quickly than these more exotic approaches,” he added, explaining this is possible because it means the computers can be manufactured using existing processes and fabrication plants.  

His colleague and co-founder, Simon Benjamin, said: “If we can hack sophisticated silicon chips into a form suitable for quantum computing, then we can sidestep ‘reinventing the wheel’ and turn decades into years.” 

The discovery has been peer reviewed in the scientific journal PRX Quantum.





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