Discovery of previously unknown effect makes compact, ultra-fast control of spin qubits possible. Australian engineers have discovered a new way of precisely controlling single electrons nestled in quantum dots that run logic gates. What’s more, the new mechanism is less bulky and requires fewer pa
How multiple qubits may be controlled using the new ‘intrinsic spin-orbit EDSR’ process. Credit: Tony MelovAustralian engineers have discovered a new way of precisely controlling single electrons nestled in quantum dots that run logic gates. What’s more, the new mechanism is less bulky and requires fewer parts, which could prove essential to making large-scale silicon quantum computers a reality.
Diraq engineers have discovered a new way of precisely controlling single electrons nestled in quantum dots that run logic gates, bringing the reality of achieving billion-qubit quantum chips closer. What’s more, the new mechanism is less bulky and requires fewer parts, which could prove essential to making large-scale silicon quantum computers a reality.
Illustration of a single qubit as it begins to accelerate in response to a microwave signal, and the electron begins rattling within the quantum dot. Credit: Tony Melov “Normally, we design our microwave antennas to deliver purely magnetic fields,” said Dr. Tanttu. “But this particular antenna design generated more of an electric field than we wanted – and that turned out to be lucky, because we discovered a new effect we can use to manipulate qubits. That’s serendipity for you.”
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