Microsoft unveils Majorana 2 quantum chip

Microsoft has announced a new breakthrough in quantum computing with the unveiling of its next-generation quantum chip, Majorana 2, which the company says is significantly more reliable than its predecessor.

The new chip is designed to improve the stability of qubits, the fundamental building blocks of quantum computers that can perform complex calculations far beyond the capabilities of conventional computing systems.

According to Microsoft, qubits in the Majorana 2 chip can remain stable for around 20 seconds on average, making the processor roughly 1,000 times more reliable than the earlier Majorana 1. The company believes the advancement could accelerate the development of commercially viable quantum computers within the next few years.

"We aim to build a commercially useful quantum machine by 2029 that can solve real-world problems," said Zulfi Alam, Corporate Vice President of Microsoft Quantum. He noted, however, that significant challenges remain, as commercially successful quantum computers will require millions of qubits.

Microsoft said Majorana 2 is built on the same topological quantum computing approach as its predecessor but incorporates several key improvements. Among them is the use of lead instead of aluminum as the superconducting material, a change that has helped enhance qubit stability and performance.

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The technology giant has spent nearly two decades researching topological quantum computing, a method based on the properties of a unique class of quasiparticles. The company believes the approach could pave the way for more stable and powerful quantum computers in the future.

Source: BBC