English

Qadence: a differentiable interface for digital-analog programs

Quantum Physics 2024-01-19 v1 Machine Learning Programming Languages Software Engineering

Abstract

Digital-analog quantum computing (DAQC) is an alternative paradigm for universal quantum computation combining digital single-qubit gates with global analog operations acting on a register of interacting qubits. Currently, no available open-source software is tailored to express, differentiate, and execute programs within the DAQC paradigm. In this work, we address this shortfall by presenting Qadence, a high-level programming interface for building complex digital-analog quantum programs developed at Pasqal. Thanks to its flexible interface, native differentiability, and focus on real-device execution, Qadence aims at advancing research on variational quantum algorithms built for native DAQC platforms such as Rydberg atom arrays.

Keywords

Cite

@article{arxiv.2401.09915,
  title  = {Qadence: a differentiable interface for digital-analog programs},
  author = {Dominik Seitz and Niklas Heim and João P. Moutinho and Roland Guichard and Vytautas Abramavicius and Aleksander Wennersteen and Gert-Jan Both and Anton Quelle and Caroline de Groot and Gergana V. Velikova and Vincent E. Elfving and Mario Dagrada},
  journal= {arXiv preprint arXiv:2401.09915},
  year   = {2024}
}
R2 v1 2026-06-28T14:20:18.607Z