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New processor brings quantum computers one step closer

Press Trust of India  |  London 

Scientists have developed a made with silicon, an advance that brings quantum computers closer to reality.

The research, published in the journal Nature, used energy to align two electron particles suspended in silicon, then used them to perform a set of test calculations.

Researchers, including those from in the Netherlands, hope that by using silicon, quantum computers will be more easy to control and manufacture.

Quantum computers are incredibly powerful machines that take a new approach to processing information.

Superposition, the process where something can exist in multiple states at once, is what makes so potentially powerful.

Standard processors rely on packets or bits of information, each one representing a single yes or no answer.

However, Quantum processors work in the almost surreal world of yes and no. This twin-state of quantum information is known as a qubit.

Researchers turned to silicon to suspend single electron qubits whose spin was fixed by the use of energy, 'News' reported.

In the superposition state, the electron was spinning both up and down. The team was then able to connect two qubits and programme them to perform trial calculations.

The data matched and the team successfully built a

Another team, led by from in the US, was able to transfer the state of the spin of an electron suspended in silicon onto a single photon of light.

This is a "fantastic achievement" in the development of silicon-based quantum computers, Petta said.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Thu, February 15 2018. 14:40 IST