Optical computer beats quantum tech in tricky settlement task

Microsoft’s analog technology twice as accurate compared to IBM’s quantum kit in Barclays experiment


Barclays has entered a joint development agreement with Microsoft to explore an application for an optical computer that has already outperformed a quantum computer by two orders of magnitude.

In April, Microsoft released a paper detailing how it used its optical computer called Aim to solve optimisation problems including one focused on transaction settlement that had been tackled in a 2019 Barclays-IBM quantum computing collaboration.

Hitesh Ballani, partner researcher at Microsoft Research

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