
OPX+
Ultra-Fast Quantum Controller
Hybrid Controller with Powerful Real-Time Processing and Ultra-Fast Feedback
An integrated control and measurement system for driving, manipulating, and reading qubits, designed according to Quantum Machines’ Hybrid Control approach
Hybrid Control
At the OPX+’s core, the Pulse Processing Unit (PPU) seamlessly integrates quantum operations (pulses and measurements) with ultra-fast classical processing and control flow. This innovative design minimizes overhead, reduces latency, and enables the execution of complex quantum algorithms that were previously impossible.

Ultra Fast
OPX+ reduces conditional feedback latency to 224 ns and supports fully parametric feedback: readout, classical calculations, and parameter updates in 272 ns. With no central controller architecture, a cluster of OPX+ units provides ultra-fast feedback between any of the qubits. Advanced sequences like 5,000-depth Randomized Benchmarking run in minutes, with no uploading or compilation time.

Hybrid Development
The OPX+ hybrid development unifies quantum and classical programming. At its core is QUA, a powerful pulse-level language that enables developers to effortlessly implement complex quantum algorithms while seamlessly integrating classical processing. The platform also includes automated calibration via QUAlibrate and a vast library of control applications.

Key Features

- All-in-one qubit control and readout system
- Built-in Pulse Processing Unit (PPU) for real-time processing as close as possible to the qubits
- On-the-fly parametric pulse generation and manipulation
- Conditional parametric feedback latency 224 ns (for active reset and more)
- Shelf mounting, 2U rack size
- 10 analog output channels: 1 GS/s, 400 MHz BW, 1 Vpp, 16-bit resolution
- 2 analog input channels: 1 GS/s, 400 MHz BW, 1 Vpp, 12-bit resolution
- 10 digital output channels: 1 GS/s, 3.3 V (hi-Z)
- Built-in FIR/IIR distortion compensation filters
- Built-in crosstalk compensation matrix
Your Experiments Live in This Phase Space
Pulse Processing Unit (PPU)
Designed for real-time quantum-classical integration and ultra-fast feedback
Analog Outputs
10 output channels
Analog Inputs
2 input channels
Fully Parametric Waveform Generation
- Loop over parameters in real-time: durations, frequencies, phase,
amplitude, bandwidth, real-time chirp, etc. - Automatically compensate for imperfections, crosstalk matrix, FIR and
IRR pre-distortion filters - Manipulate waveforms without memory loading or computation
Waveform Acquisition and Manipulation
- High-resolution analog to digital conversion
- User-defined flexible integration and demodulation
(weighted, accumulated, sliced, etc.) - Time tagging and TTL counting (< 50 ps jitter)
FAQs
How does entanglement distribution work within a quantum network?
What are the fundamental components required to build a scalable quantum network?
What are the fundamental components required to build a scalable quantum network?
What are the fundamental components required to build a scalable quantum network?
