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High-Fidelity Cryogenic Photonic Link for the Readout of Superconducting Qubits

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Abstract

We perform readout of a superconducting qubit with microwave pulses delivered via optical fiber and a cryogenic high-speed photodetector. High coherence and readout fidelity are maintained, compatible with the stringent requirements of quantum information systems.

© 2020 The Author(s)

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