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https://fr.sputniknews.com/sci_tech/201912291042676350-des-scientifiques-realisent-la-premiere-teleportation-quantique-entre-deux-puces-informatiques/
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An international team of researchers has successfully transmitted quantum information from one place to another without a physical connection. Although their system remains slow at the moment, they hope that the results of their study will allow this technology to be implemented on a large scale in the near future.
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Scientists from the University of Bristol and the Technical University of Denmark performed the first quantum teleportation between two computer chips, say results of their study published December 23 in the Physical Review Letters.
This teleportation involves instantly sending information from one chip to another without it being physically connected. It was made possible by a phenomenon called quantum entanglement. Entanglement occurs when quantum particles are linked to the point of being able to “communicate” over long distances. To produce this phenomenon, they used a calibrated configuration of lasers, beam splitters and barium borate crystals.
“Hypothetically, there is no limit to the distance that quantum teleportation can operate and this raises strange implications that have even puzzled Einstein himself. According to our current understanding of physics, nothing can go faster than the speed of light, and yet, with quantum teleportation, information seems to exceed this speed limit, “say the researchers.
Large scale application
“Combining previous methods of teleporting two-particle composite states with multiple degrees of freedom, our work provides a comprehensive toolkit for teleporting an intact quantum particle,” said the researchers.
Although the system remains slow and relatively ineffective scientists seem optimistic at the moment.
“We hope our results will pave the way for large-scale quantum technology applications, since teleportation plays a central role in quantum repeaters and quantum networks,” they added.
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