Processing signals in a quantum computing system

This invention describes a way to control multiple quantum computing devices efficiently. It works by combining individual control signals for devices, each operating at a different frequency, into one single signal. This combined signal is then sent from a warmer area to the super-cold quantum processor, where it's separated back into individual signals to control each quantum device.

Why it matters: The need for efficient, scalable control of many qubits, especially at cryogenic temperatures, has become far more critical since 2015. Advances in cryogenic electronics and signal processing could make this multiplexing approach more viable for larger quantum processors.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedQuantum processor, cryogenic electronics, high-frequency multiplexing

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