The UHFQA Quantum Analyzer was a measurement instrument for parallel readout of up to 10 superconducting or spin qubits, combining fast digitization, a low-latency real-time signal processing chain, and integrated waveform generation in a single instrument. The UHFQA is succeeded by the SHFQA Quantum Analyzer, which offers a higher channel count and a higher frequency range of up to 8.5 GHz without need for mixer calibration.
Zurich instruments’ lock-in amplifiers are ideal instruments for measuring the amplitude and phase of periodic signals from a large variety of optical experiments, covering the range from elementary to cutting-edge experimental designs. Thanks to their low input noise and large dynamic reserve, they can detect minute signals and achieve large signal-to-noise ratios (SNRs) quickly and reliably. Each instrument is equipped with a set of advanced measurement tools, such as an oscilloscope, a parametric sweeper, a spectrum analyzer, and more,allowing you to characterize your optical signals more comprehensively. Additionally, if an analog interface to other instruments is needed — for example, a control voltage for laser cavities or delay lines — internal measurement results or other customizable signals can easily be routed out from the instruments via the auxiliary output connectors. This toolset, together with several field upgradeable options, expand the functionality of the instruments well beyond lock-in amplification,making them a perfect fit for the demanding requirements of many applications. Each of these functionalities can be controlled through LabOne®,a proprietary software of Zurich Instruments.This platform-independent instrument control tool provides users with a powerful and intuitive user interface, together with support for the most popular programming languages. These features make Zurich Instruments' lock-in amplifiers extremely versatile, allowing them to be tailored to any experimental setup, reducing experiment complexity and decreasing the time to publication. Explore higher frequency domains of your optical experiment with high noise rejection and faster measurements: with signal inputs up to 8.5 GHz, Zurich Instruments’ lock-in amplifiers cover a wide range of modulation techniques and applications. Carry out multiple tasks in parallel with one instrument: for example, you can simultaneously perform lock-in detection and boxcar averaging on the signal from the photodetector while running a PID/PLL control loop to stabilize your laser cavity. The parallelization of several experimental aspects allows you to achieve results more efficiently and quickly. Ease of integration: thanks to our APIs (LabVIEW, MATLAB, Python,.NET, C), swiftly connect your lock-in amplifier with all the elements, e.g., delay lines and/or modulators, in your experimental setup.
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The HDAWG multi-channel Arbitrary Waveform Generator generates the fast pulses for the metallic gates which are used to control the QD energy levels and couplings and to drive the two-qubit gates. To counteract the effect of cross-coupling, additional pulses are applied to multiple gates. The HDAWG is able to modulate the microwave source in order to produce single-qubit gates. Different qubits can be addressed with frequency multiplexing. A single-sideband modulation scheme, in conjunction with the internal oscillators, suppresses unwanted images and facilitates a clean spectrum. Experience accurate spin control and enhanced fidelity, also for fast qubits, thanks to the fast and low-noise HDAWG outputs.
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Operation from DC to 8.5 GHz 1 GHz bandwidth free from mixer calibration High output power for short qubit gates
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