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Control the quantum.

Precision starts with control.

Phase amplitude timing

Every operation starts with the right signal.

Precision at scale.

Quantum control engineered to grow with your system.

ETH Zurich IQM Riverlane NVIDIA Rohde & Schwarz ISTA Swiss Nanoscience Institute SKKU QCenter Woods Hole University of Basel

The system, end to end

Quantum control, engineered as a system

From signal generation and qubit readout to real-time feedback and synchronization, Zurich Instruments combines hardware and software for precise quantum control.

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Freedom to innovate.

VHFLI 50 MHz / 200 MHz Lock-in Amplifier

A digital, multipurpose instrument: run Scope, Sweeper and Spectrum Analyzer at the same time, and orchestrate pulses, triggers and measurements with the LabOne Timeline Module.

VHFLI Lock-in Amplifier, front panel
  • 50 MHz
  • 2 GSa/s
  • 2× lock-in
  • <3 nV/√Hz noise
VHFLI key specifications

50MHz

From DC - 200 MHz with the VHF-F200M option

2GSa/s

A/D and D/A conversion at 14 bits

2×

Independent lock-in units, one voltage and one current channel each

<3nV/√Hz

Input voltage noise above 50 kHz

Precision across the whole signal chain

All products

Fields of application

  • 01

    Quantum Technologies

    From single qubits to full processors: control, readout and feedback for superconducting, spin and colour-centre platforms, and for quantum sensing experiments.

    Discover Quantum Technologies

  • 02

    Impedance Measurement

    Dielectric spectroscopy, bioimpedance, single-cell microfluidics and component characterization — from sub-hertz to megahertz, on one instrument.

    Discover Impedance Measurement

  • 03

    Optics & Photonics

    Raman and pump-probe spectroscopy, THz time domain, cavity optomechanics and phase-locked loops: phase-stable detection across the optical bench.

    Discover Optics & Photonics

  • 04

    Scanning Probe Microscopy (SPM)

    Multi-frequency and non-contact AFM, Kelvin probe, near-field and time-resolved techniques, driven by low-noise lock-in detection.

    Discover Scanning Probe Microscopy (SPM)

  • 05

    Nanotechnology & Materials Science

    Hall effect, transport, AC susceptibility, EPR and break-junction measurements — down to cryogenic temperatures and femtoampere signals.

    Discover Nanotechnology & Materials Science

  • 06

    Sensor Development

    Characterize and read out MEMS, gyroscopes, magnetometers and acoustic-wave devices with high dynamic range and precise excitation.

    Discover Sensor Development

Dive into the world of Zurich Instruments

Stay in the quantum loop.

New instruments, tutorials, application notes and webinars - a few times a year, from the engineers who build them.

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Inside the Pulse

Empower Innovation Through Culture

Engineers, physicists and software developers on what it takes to build instruments the quantum field depends on.

Careers

Build the instruments quantum labs rely on.

Physicists, electronics and software engineers work side by side in Zurich - from the first prototype to instruments running in labs on every continent.

Engineers at Zurich Instruments

Find the right setup for your system.

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Already evaluating a system?

For multi-rack architectures, error-corrected machines or a migration from an existing setup, talk to the engineers who designed the instruments.

  • Architecture review of your current stack
  • Channel count and latency budget sizing
  • Migration path as the system grows
Talk to a quantum expert