BRIDGE (Innosuisse & Swiss National Science Foundation)

Quantum technologies are reshaping the future of computation, communication, and sensing. Yet, their full potential remains constrained by the complexity of the infrastructure required to operate them. At the heart of this challenge lies the readout process, the act of extracting meaningful information from quantum systems. Despite its critical role, the metrology of quantum readout lines remains an underdeveloped and poorly standardized domain.

In the CALYPSO project, funded by the BRIDGE program from Innosuisse and the Swiss National Science Foundation, we will tackle this challenge in two ways. First, we will develop a comprehensive metrology toolkit for cryogenic quantum systems, designed to characterize and optimize the readout lines of both superconducting and semiconducting platforms. The toolkit will integrate novel hardware, such as variable-temperature noise sources and calibration qubit chips, with properly designed software capable of automatic device recognition, synchronized measurement routines, and advanced data analysis through a standalone graphical user interface. In parallel, we will develop a machine-learning-based calibration and optimization suite for the Traveling Wave Parametric Amplifiers (TWPAs) developed by our spin-off and implementation partner QanovaTech. 

With our dual innovation, standardizing readout line metrology and simplifying TWPA calibration, we will not only enhance the performance of quantum experiments but also lay the foundation for a scalable commercial offering.