Researchers at the University of Melbourne have demonstrated a new way to create scalable arrays of atoms in silicon devices that could form the basis of future quantum computers. The study was published in the journal Advanced Materials.
Quantum computers will solve problems that classical supercomputers cannot solve. To realize these possibilities, it is necessary to create quantum processors with a large number of qubits (quantum bits) that can simultaneously store and process information in “0” and “1” states, thanks to the phenomenon of superposition.
Silicon, the main material of modern electronics, can play an important role in this process. Researchers have long used extra atoms, called dopants, in silicon chips to create qubits.
In a new study, scientists have shown how to create scalable, ordered arrays of dopant atoms in silicon. This is made possible by equipping silicon chips with tiny electrodes that record the implantation of each atom with high precision.
The next step is to create a quantum processor in which atomic arrays will be integrated with the necessary circuits to control the interactions of the qubits.
This discovery paves the way for the creation of powerful quantum computers that could revolutionize fields of science and technology, from medicine to climate modeling to financial risk assessment.
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Source: Gazeta
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