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Event Spotlight: See The Next Generation of Quantum Analyzers during Zurich Instrument’s SHFQA Launch Event

Zurich Instruments are launching a new product, the SHFQA Quantum Analyzer, which is designed with the needs of researchers in quantum information science in mind.

Would you like to improve the readout of your superconducting or spin qubits?

Increase the fidelity of your quantum algorithm or scale up your qubit system size?

These are the goals that motivated us to bring to the market the SHFQA Quantum Analyzer.

Zurich Instruments are launching a new product, the SHFQA Quantum Analyzer, which is designed with the needs of researchers in quantum information science in mind. Sadik Hafizovic, Paolo Navaretti and Tobias Thiele will host the event on Nov. 17, 17:00 – 18:15 CET, 11:00 – 12:15 EST on Zoom

Join the team for their launch event to hear about the strengths of the SHFQA’s integrated, mixer-calibration-free frequency conversion scheme and learn about its feedback capabilities.

In this virtual launch event, Zurich will provide a technical overview of the instrument and discuss the strengths of its integrated, mixer-calibration-free frequency conversion scheme. We will also run instrument demonstrations to show you how to:

  • Measure a resonator at 8 GHz with only two microwave cables;
  • Perform the readout of 16 qubits in parallel; and
  • Take advantage of the SHFQA’s feedback capabilities and integrate the SHFQA into a 10-instrument QCCS.

An extended live Q&A session will allow you to ask us your questions about the SHFQA – join Zurich Instruments for this event!

SHFQA Quantum Analyzer

The Zurich Instruments SHFQA Quantum Analyzer provides a qubit readout system designed for experimentalists working on superconducting or spin qubits. Conceived as the next generation of quantum computing instrumentation, the SHFQA combines signal generation at microwave frequencies with direct qubit readout and real-time multi-state discrimination. With the SHFQA, reading out frequency-multiplexed qubits on up to 4 readout lines becomes a fast, high-fidelity operation that does not rely on tedious mixer calibration. As a single SHFQA can measure up to 64 qubits, it covers many functionalities that would otherwise require larger instrument racks and complex cabling arrangements.


Zurich Instruments launches the SHFQA Quantum Analyzer, the first instrument of its kind that operates at up to 8.5 GHz and can thus perform direct readout of superconducting and spin qubits. The SHFQA can read out the state of up to 64 qubits, 32 qutrits or 20 ququads in real time and with optimal signal-to-noise ratio. Thanks to the analysis chain and additional features such as multi-state discrimination and rapid resonator spectroscopy, this instrument is ready for use with the most demanding quantum algorithms.

As quantum processors become larger and more complex physical systems, the corresponding increase in footprint for the classical readout devices that measure quantum chips stands as a clear instrumentation challenge. “Current state-of-the-art control and readout systems combine several instruments and analog mixing stages to reach the microwave resonator frequencies needed for qubit readout. Keeping all pieces of equipment calibrated and synchronized over long time periods is tedious and error-prone,” says Dr. Tobias Thiele, Application Scientist for Quantum Technologies at Zurich Instruments. “Now consider what happens when you plan to scale up your system to hundreds of qubits: the effort with cabling and system tune-up, the number of required instruments – they simply do not scale in your favor,” Dr. Thiele adds. This is where the SHFQA makes a difference. 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. “The SHFQA is the result of combining the experience and needs of our customers in quantum technologies with the exceptional talent of our R&D team. The outcome is an outstanding instrument that takes our philosophy of reducing laboratory setup complexity to new levels,” says Dr. Paolo Navaretti, Product Manager at Zurich Instruments.

Software support and integration

As part of the Quantum Computing Control System (QCCS), the SHFQA is seamlessly integrated into new or existing setups featuring the HDAWG Arbitrary Waveform Generator and the PQSC Programmable Quantum System Controller. Thanks to the LabOne QCCS control software, the SHFQA can be added to quantum computing setups of varying sizes and specifications on instrument connectivity, providing the necessary support for feedback and error correction codes such as fast qubit reset or surface codes. The LabOne user interface already known to Zurich Instruments’ customers gives access to an overview of all settings on the instrument, from the readout-band center frequency to the configuration of the low-latency analysis chain.

To read more about the new Zurich Instruments SHFQA Quantum Analyzer, including a detailed list of its specifications, visit and the SHFQA instrument page. To arrange a live demo, write to [email protected].

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Matt Swayne

With a several-decades long background in journalism and communications, Matt Swayne has worked as a science communicator for an R1 university for more than 12 years, specializing in translating high tech and deep tech for the general audience. He has served as a writer, editor and analyst at The Quantum Insider since its inception. In addition to his service as a science communicator, Matt also develops courses to improve the media and communications skills of scientists and has taught courses. [email protected]

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