"The company says it has demonstrated "scalable, on-chip cryogenic control for gate-model qubits," claiming it is the first in the industry to do so, and that the breakthrough helps overcome "a long-standing obstacle to building commercially viable and scalable gate-model quantum computers." The issue, as Trevor Lanting, D-Wave's chief development officer, tells Fast Company, is that adding qubits to a quantum system requires additional resources, such as control lines."
"'You can think of it as a chip in your phone or laptop,' Lanting says. 'The CPU has transistors in it, and there are billions in a modern CPU or logic chip, but only a small number of connections that go from the motherboard and get the information on and off the chip. You don't have individual wires going to each transistor; you need to multiplex that control.'"
D-Wave demonstrated scalable, on-chip cryogenic control for gate-model qubits to address a key obstacle to commercially viable, scalable gate-model quantum computers. Adding qubits to a quantum system requires additional resources such as control lines, increasing space, material, and overall system complexity. D-Wave's approach reduces that complexity by enabling control of additional qubits with fewer resources through on-chip multiplexing. The method is analogous to classical CPUs where billions of transistors are managed with a small number of external connections rather than individual wires to each transistor. D-Wave previously simulated magnetic materials with its Advantage2 annealer and secured a $12 million European deployment deal.
Read at Fast Company
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