Physicists discover key to quantum internet networks

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Physicists discover key to quantum internet networks

Since the discovery of the quantum world, the most complex challenge was to interconnect each device based on this technology. In this logic, physicists from Simon Fraser University in Canada conducted studies that resulted in the discovery of the incredible properties of silicon. For now, many theories open the way to multiple uses of this material in the quantum universe.


A locked digital circuit

Small imperfections encountered on the silicon alerted the scientists. Indeed, the defects of this material would be capable of emitting light of the same frequency as that produced in optical fibers currently used. Thus, researchers believe they have discovered the key to quantum internet networks.

Stephanie Simmons, quantum physicist from Simon Fraser University in Canada, was one of the main actors in this research. In addition, the results of the various studies have been published in the journal Nature.

The imperfections of silicon at the base of a great advance

Scientists have been able obtain with silicon stable and very sophisticated quantum bits. However, the major problem they encountered was in particular assembling these qubits on a large scale.

Thus, following several researches and observations, these physicists discovered some defects in silicon also called T centers. Further study has demonstrated that these imperfections can behave in the same way as photonic links between qubits.

Therefore, these silicon irregularities are able to regulate the data flow simultaneously, without the need to combine two different quantum approaches. So one was for processing and the other was for communications.

“Thanks to T-centers, we can build quantum computers that intrinsically communicate with each other. »

Stephanie Simmons, quantum physicist from Simon Fraser University in Canada

A smooth transition to the quantum world is already underway

To confirm the activity of the T centers, physicists fabricated many small micro-plugs on silicon wafers. There is still a long way to go and currently, various experiments are underway to make qubits reliable. According to the physicists in charge of this study, this research constitutes another important step for the future of quantum computing.

“Building silicon quantum networking components allows us to build on the many years of development, research and architecture used to build today’s computers. It is, in other words, a smoother passage towards large-scale quantum computing. »

Stephanie Simmons, quantum physicist from Simon Fraser University in Canada

SOURCE: SCIENCEALERT

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