This is a news story, published by EurekAlert!, that relates primarily to Berkeley Lab news.
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qubit fabricationEurekAlert!
•88% Informative
Berkeley Lab researchers say they are the first to use a femtosecond laser to create and “annihilate” qubits on demand, and with precision, by doping silicon with hydrogen.
The advance could enable quantum computers that use programmable optical qubits or “spin-photon qubits” to connect quantum nodes across a remote network.
It could also advance a quantum internet that is more secure and could transmit more data than current optical-fiber information technologies.
The femtosecond laser pulses can kick out hydrogen atoms or bring them back, allowing the programmable formation of desired optical qubits in precise locations.
The ability to form qubits at programmable locations in a material like silicon that is available at scale is an exciting step towards practical quantum networking and computing.
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