Oxford University researchers create supercomputer capable of quantum teleportation
Scientists claim to have achieved a major breakthrough in teleportation by transferring data between quantum computers. Researchers from the University of Oxford have successfully teleported logic gates - the basic components of a computer algorithm - between two quantum processors separated by 2 meters.
By using light particles (or photons), the scientists were able to form a shared quantum connection between the two separate devices. This breakthrough brings quantum computing closer to widespread practical use, writes DailyMail.
According to experts, the field of quantum computing has existed for decades, but only in recent years have significant progress been made in its practical implementation.
Scientists Dougal Mayne and Beth Nichol work with a quantum computer.
Source: JohnCairns
Using the properties of quantum physics, next-generation computers replace traditional bits with quantum bits (qubits) that can act as a one and a zero at the same time through a phenomenon known as superposition.
This gives quantum computers the potential to be orders of magnitude more powerful than current supercomputers that use conventional computing technology, the Independent adds.
This is not the first time that scientists have achieved quantum teleportation, as teams of researchers have previously transferred data from one place to another without moving qubits. However, this is the first demonstration of quantum teleportation of logic gates - the minimal components of an algorithm - over a network connection, experts say.
The researchers argue that the quantum teleportation technique could form the basis for a future "quantum Internet" that would offer an ultra-secure network for communication, computing, and sensing.
Quantum teleportation, which has been achieved, lays the foundation for a "quantum internet".
Source: Creative Commons
"Previous demonstrations of quantum teleportation have focused on the transfer of quantum states between physically separated systems," said study leader Dougal Main, from the University of Oxford's Department of Physics.
"In our research, we use quantum teleportation to create interactions between these remote systems. We can perform logical quantum gates - the fundamental operations of quantum computing - between qubits housed in separate quantum computers," the researcher added.
"This breakthrough allows us to effectively 'connect' different quantum processors into a single fully connected quantum computer," Mayne emphasized.
The researchers also showed that the quantum system can be built and scaled up using already available technology.
A quantum computer that can process millions of qubits would have to be incredibly large.
Source: AlamyStockPhoto
"Our experiment demonstrates that networked distributed quantum information processing is possible with current technology," said Professor David Lucas, principal investigator of the research team and lead researcher at the UK Quantum Computing and Simulation Hub.
"Scaling up quantum computers remains a major technical challenge that will likely require new insights in physics as well as intensive engineering efforts in the coming years," the professor summarized.
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