'This computer works almost like a guitar': Fingernail-sized quantum chip uses vibrations to store data

• ETH Zurich quantum chip sees superconducting qubit act as CPU and the vibrational modes of a fingernail-width acoustic resonator serve as quantum RAM
• The approach borrows from classical computer architecture as it completely flips the script on how modern quantum computing might store short-term data
• The team demonstrated a universal gate set and ran small instances of the quantum Fourier transform and period finding

A guitar string essentially stores a note based on how it vibrates, and if one plucks it differently, an entirely different note plays.

A team of researchers at ETH Zurich has leveraged the same principle to build a quantum chip that stores information by replacing the string with microscopic acoustic resonators.

This allows the chip to increase its working memory significantly, essentially increasing the storage capacity, a prohibitively expensive commodity in quantum computing, significantly.

A vibrations-based quantum storage play

ETH Zurich's research is led by quantum...

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