Scientists achieve long-distance communication between atoms, advancing quantum computing towards silicon integration in chips.
The competition to develop quantum computers relies not only on theory but also on hardware. Each advancement that brings the exotic realm of quantum physics closer to everyday silicon chips represents progress. The most recent breakthrough hails from Australia.
Protecting and Connecting Simultaneously: A Significant Challenge
Balance is crucial. Silicon atomic nuclei are highly stable and pure, capable of preserving quantum information for tens of seconds with less than 1% error in operations. However, this very stability rendered them inert.
Electrons as Messengers, Nuclei as Recipients
The breakthrough was discovered in electrons. Their ability to disperse in space makes them ideal intermediaries. By linking each electron to a nucleus, a connection was established. The analogy used is straightforward: if they were previously in soundproof rooms, they now have phones to communicate with other rooms.
On the Scale of Current Industry
In practical terms, it would be akin to two individuals situated between Sydney and Boston having a clear conversation. What stands out the most is that these 20 nanometers align with the scale at which current silicon chips are manufactured. This advancement does not necessitate futuristic processes; it could be seamlessly integrated into the semiconductor industry responsible for producing our computers and mobile devices.
While a quantum laptop may not materialize overnight, a significant barrier has been overcome: how to connect stable and isolated qubits across significant distances. As one of the researchers noted, this development “paves the way for constructing future microchips using existing technology.” A future where atoms actively communicate with each other to bolster the next generation of computing.
The analogy of phones is both simple and impactful: electrons enabling quantum systems to transcend isolation and initiate communication. This breakthrough underscores that the future is within reach, potentially evolving on the same silicon that has been refined for decades.
