Microwave Drive lines deliver the high-frequency signals required to control superconducting qubits, from driving transitions between qubit states to supporting qubit-state-dependent measurements. The configuration is optimized for high signal fidelity, controlled attenuation, and low noise at the device.
Each Microwave Drive line incorporates an integrated chain of low-pass filtering, infrared filtering, and attenuation, with the components strategically distributed across the cryogenic stages for Feed, Drive, and Pump applications.
This architecture balances signal integrity, noise suppression, and thermalization to deliver clean and reliable microwave signals to the qubits while minimizing the thermal load on the cryogenic system.
Microwave Drive lines are designed to deliver high-frequency control signals with low loss and strong channel-to-channel isolation. The transmission and Far-End Crosstalk graphs below provide an overview of signal integrity across the relevant frequency range, highlighting both the available bandwidth and the suppression of unwanted coupling between neighboring drive lines.
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