Spectrum:
on a QueSt to accelerate
Quantum Computer development
Building better next-gen Quantum Computers
Spectrum introduces QueSt, the first switch developed specifically for QCs, which provides ultrashort down to near-zero downtimes between switching events and negligible heat injection.
Poor scalability and high cost are among the main limiting factors for the development and deployment of quantum computers. Both problems are related to the bulkiness and multiplicity of the signal lines that run through the quantum computer. The large number of wires limits scalability and decreases the thermal stability of the quantum processing units (QPUs).
Through the innovative radiofrequency (RF) switch QueSt, Spectrum aims to increase the scalability and minimize problems related to heating, thus expediting the development of QCs.
Thanks to a new technological approach, the Quantum sUpErconducting SwiTch (QueSt) allows:
Low power dissipation
Control of multiple qubit configurations
Voltage control and compatibility with CMOS systems
High Switching Speed
The QueSt
Network switch for QC
The Quantum sUpErconducting SwiTch (QueSt) will allow simultaneous control of multiple qubits through the same cable, working at higher operational frequencies unreachable with classical components, with shorter switching time and almost zero power dissipation.
QueSt makes it possible:
- Saves up to 75% of the IN/OUT lines, thus reducing the overall costs of the system at the magnitude of millions of euros
- Saves up to 99% of the overall downtime
- Saves up to 90% of the hardware volume
- Saves up to 5 times the energy consumed by a modern QC
Those major characteristics, combined with the possibility of combining multiple switches inside the cryostat, could accelerate the utilization of QCs
The Quantum sUpErconducting SwiTch (QueSt) will allow simultaneous control of multiple qubits through the same cable, working at higher operational frequencies unreachable with classical components, with shorter switching time and almost zero power dissipation.
QueSt makes it possible:
- Saves up to 75% of the IN/OUT lines, thus reducing the overall costs of the system at the magnitude of millions of euros
- Saves up to 99% of the overall downtime
- Saves up to 90% of the hardware volume
- Saves up to 5 times the energy consumed by a modern QC
Those major characteristics, combined with the possibility of combining multiple switches inside the cryostat, could accelerate the utilization of QCs.
Applications
Latest frontier in computation
If all technical hurdles are overcome, the Quantum Computer has a multitude of applications in different commercial sectors. From cybersecurity to drug development, from batteries to discovery of electronic materials, traffic optimization, artificial intelligence, etc.
An improvement in the cryogenic QC wiring system would have a major impact for:
Big-tech companies
which need efficient cabling in their Quantum Computers (QC) or High Performance Computers (HPC).
Young and innovative companies
developing Quantum Computers and needing the latest generations of QC hardware to accelerate development.
Telecommunications companies
working with high-frequency electronics and needing to reduce switch performance and power consumption.
Public and private research organizations
interested in experimenting with cutting-edge components.
Partners
Spectrum consortium
News
Intermodulation Products work within the Spectrum project
Within the Spectrum Project, Intermodulation Products was responsible for the manufacturing of firmware and electronics with FPGA-based systems to allow an accurate signal to contro QueSt. In this video, Marina...
13 May, 2025
Chalmers’ work and experience gained in the Spectrum project
In this video Ingrid Strandberg of Chalmers University of Technology introduces the work of this important institution in the SpectrumProject: its laboratories have been in fact crucial to benchmark the...
23 April, 2025
IMP developed an FPGA-board prototype to control Quest
A significant milestone in the Spectrum project has been reached with the realization, by the partner Intermodulation Products, of a room temperature control FPGA-board prototype to control the Quest switch....
01 April, 2025
Help us accelerate the change
Take part in our survey on the quantum world: we are gathering information on the state of the art to shape future prospectives for our Quantum Switch “QueSt” and align it with the users’ need.
The full survey usually takes about 10 minutes.
