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Quantum Computing Control System

In 2018, Zurich Instruments introduced the first commercial Quantum Computing Control System (QCCS), designed to control more than 100 superconducting and spin qubits. Each component of the QCCS is conceived to play a specific role in qubit control, readout and feedback, and operates in a fully synchronized manner with the other parts of the system. LabOne®, the Zurich Instruments control software, enables fast access to qubit data and facilitates the integration into higher-level software frameworks.

The Zurich Instruments QCCS supports researchers and engineers by allowing them to focus on the development of quantum processors and other elements of the quantum stack while benefiting from the most advanced classical control electronics and software.

Efficient workflows, tailored specifications and feature sets, and a high degree of reliability are the characteristics most valued by our customers.

The scientific achievements already accomplished with the QCCS (see below for a list of publications) are a testimony to our close engagement with some of the most ambitious research groups in this area. The recent launch of the SHFQA Quantum Analyzer introduces the second generation of QCCS products, which operate directly at qubit frequencies, offer higher density and lower cost per qubit, and provide new features that take into account the most recent developments in quantum computing.

Zurich Instruments QCCS Quantum Computing Control System Logo

 

Key Features

  • Scalable design: new inputs and outputs can be added at any time, and a high channel density and consistent performance are guaranteed for all setup sizes.
  • Productivity-boosting software: LabOne efficiently connects high-level quantum algorithms with the analog signals from the quantum device.
  • Hardware specifications that match the application: low noise, high resolution, and large bandwidth.
  • A thought-through and tested systems approach: precise synchronization, reliable operation.
  • Feedback operation: fast data propagation across the system, powerful decoding capability.

System Control

System Control

  • Operation as a single instrument
  • Synchronization and real-time operation across the entire system
  • Parallelization and queuing of tasks to minimize idle time on the quantum device
  • Interfaces to other quantum frameworks

Qubit Control

Qubit Control

  • Access to maximum gate fidelity: low noise, high bandwidth, high stability
  • Solutions for all typical single- and two-qubit control signals
  • High system usage thanks to memory-efficient sequencing

Qubit Readout

Qubit Readout

  • Up to 64 qubits per instrument
  • Maximum readout fidelity
  • Low-latency, real-time operation
  • Analysis of qutrits and ququads with multi-state discrimination

Quantum Feedback

Quantum Feedback

  • Multiple supported configurations: from single-qubit to large-scale quantum computing
  • Ultra-low latency down to 50 ns
  • Powerful multi-qubit state decoder

QCCS Overview Video

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Zurich Instruments - Qubit control for 100 qubits and more

Case Study

In April 2020, Quantum Inspire went live. As the first European quantum computer in the cloud, it provides access to 2 backends, one with superconducting transmon qubits and one with spin qubits. Both setups are powered by the Zurich Instruments QCCS.

Watch the 'Making of' video

  • Reliable, stable operation 24/7
  • Performance-critical features: multiplexed readout, precompensation and interfacing
  • Full feature set: bring-up, calibration and characterization, no manual re-cabling
  • Upgrade path to 100 qubits and beyond

How can we help you?

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Application Notes

Zurich Instruments

Superconducting Qubit Characterization

Zurich Instruments

Active Reset of Superconducting Qubits

Zurich Instruments

Frequency Up-Conversion for Arbitrary Waveform Generators

Zurich Instruments

Bell State Preparation of Superconducting Qubits

Publications

Bengtsson, A. et al.

Quantum approximate optimization of the exact-cover problem on a superconducting quantum processor

arXiv

Rol, M.A. et al.

Fast, high-fidelity conditional-phase gate exploiting leakage interference in weakly anharmonic superconducting qubits

Phys. Rev. Lett. 123, 120502 (2019)

Werninghaus, M. et al.

Leakage reduction in fast superconducting qubit gates via optimal control

Crippa, A. et al.

Gate-reflectometry dispersive readout and coherent control of a spin qubit in silicon

Nat. Commun. 10, 2776 (2019)

Rol, M.A. et al.

A fast, low-leakage, high-fidelity two-qubit gate for a programmable superconducting quantum computer

Phys. Rev. Lett. 123, 120502 (2019)

Bultink, C.C. et al.

General method for extracting the quantum efficiency of dispersive qubit readout in circuit QED

Appl. Phys. Lett. 112, 092601 (2018)

Andersen, C.K. et al.

Entanglement stabilization using ancilla-based parity detection and real-time feedback in superconducting circuits

npj Quantum Inf. 5, 69 (2019)

Collodo, M.C. et al.

Implementation of Conditional-Phase Gates based on tunable ZZ-Interactions

arXiv

Guo, X.-Y. et al.

Observation of Bloch oscillations and Wannier-Stark localization on a superconducting processor

arXiv

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