The SHFQA Quantum Analyzer from Zurich Instruments, Zurich, Switzerland, operates at up to 8.5 GHz and can perform direct readout of superconducting and spin qubits. It combines signal generation at microwave frequencies with direct qubit readout and real-time, multi-state discrimination. The device reads out the state of up to 64 frequency-multiplexed qubits on up to four readout lines. The instrument comes with 2 or 4 readout channels, each of which can optimally discriminate the quantum states of 16 qubits, 8 qutrits, or 5 ququads coupled to resonators with frequencies within an analysis bandwidth of 1 GHz. With LabOne QCCS control software, the instrument can be added to quantum computing setups of varying sizes and specifications on instrument connectivity. The user interface provides an overview of all settings on the instrument.

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This article first appeared in the November, 2020 issue of Tech Briefs Magazine.

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