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Expert directory

Find researchers, principal investigators and official contacts in quantum technology with a European affiliation. Every entry is built from public sources and shows professional information only: name, organisation, country, role, topics and works. About this directory, its sources and how to remove or correct an entry

1374 entries found. 5166 entries in the directory, read on 2026-10-28; people are listed with at least 5 quantum works with a European affiliation since 2022.

This directory is incomplete. Its publication threshold can exclude early-career researchers, career breaks and smaller research communities. Absence is not evidence of lack of expertise. Country means institutional affiliation, not nationality.

Suggest your profile or a missing expert for editorial review. Suggestions are reviewed by a person before publication. An EC evaluator label records a sourced past role; it does not confirm current availability or Commission endorsement.

Directory entries

  1. Stefan Klikovits

    Johannes Kepler University of Linz, Austria Researcher

    Quantum software stack, Quantum computing and simulation

    • Works in Enabling technologies and supply chain
    • 10 quantum works since 2022
  2. Stefan Nolte

    Fraunhofer Institute for Applied Optics and Precision Engineering, Germany Researcher

    Quantum communication, Quantum key distribution (QKD), Quantum networks and repeaters

    • Works in Enabling technologies and supply chain
    • 9 quantum works since 2022
  3. Stefano Azzini

    University of Pavia, Italy Researcher

    Photonics, lasers and optics, Quantum computing and simulation, Quantum random number generation

    • Works in Enabling technologies and supply chain
    • 11 quantum works since 2022
  4. Stefano Calcaterra

    Politecnico di Milano, Italy Researcher

    Spin qubits in semiconductors, Quantum chips, materials and fabrication, Quantum computing and simulation

    • Works in Enabling technologies and supply chain
    • 5 quantum works since 2022
  5. Stefano Carrazza

    Istituto Nazionale di Fisica Nucleare, Italy Researcher

    Quantum computing and simulation, Superconducting qubits, Quantum software stack

    • Works in Enabling technologies and supply chain
    • 19 quantum works since 2022
  6. Stefano Carretta

    University of Parma, Italy Researcher

    Quantum computing and simulation, Superconducting qubits, Quantum simulation

    • Works in Enabling technologies and supply chain
    • 14 quantum works since 2022
  7. Stefano Longhi

    Institute for Cross-Disciplinary Physics and Complex Systems, Spain Researcher

    Photonics, lasers and optics, Analogue quantum simulators

    • Works in Enabling technologies and supply chain
    • 8 quantum works since 2022
  8. Stefano Paesani

    University of Copenhagen, Denmark Researcher

    Photonic qubits, Photonics, lasers and optics, Quantum simulation

    • Works in Enabling technologies and supply chain
    • 33 quantum works since 2022
  9. Stefano Reale

    Delft University of Technology, Netherlands Researcher

    Spin qubits in semiconductors, Control electronics, Quantum computing and simulation

    • Works in Enabling technologies and supply chain
    • 5 quantum works since 2022
  10. Stefan Rotter

    TU Wien, Austria Researcher

    Photonics, lasers and optics

    • Works in Enabling technologies and supply chain
    • 6 quantum works since 2022
  11. Stefan Trellenkamp

    Forschungszentrum Jülich, Germany Researcher

    Quantum computing and simulation, Cryogenics and cooling, Superconducting qubits

    • Works in Enabling technologies and supply chain
    • 7 quantum works since 2022
  12. Stefan van Waasen

    Forschungszentrum Jülich, Germany Researcher

    Quantum computing and simulation, Spin qubits in semiconductors, Cryogenics and cooling

    • Works in Enabling technologies and supply chain
    • 7 quantum works since 2022
  13. Stefan Willitsch

    University of Basel, Switzerland Researcher

    Trapped ions, Photonics, lasers and optics

    • Works in Enabling technologies and supply chain
    • 10 quantum works since 2022
  14. Stephan Kucera

    Saarland University, Germany Researcher

    Quantum networks and repeaters, Photonic qubits, Quantum memories

    • Works in Enabling technologies and supply chain
    • 10 quantum works since 2022
  15. Stephan Paredes

    IBM Research - Zurich, Switzerland Researcher

    Spin qubits in semiconductors, Superconducting qubits, Quantum computing and simulation

    • Works in Enabling technologies and supply chain
    • 10 quantum works since 2022
  16. Stephan Reitzenstein

    Technische Universität Berlin, Germany Researcher

    Photonic qubits, Spin qubits in semiconductors, Quantum key distribution (QKD)

    • Works in Enabling technologies and supply chain
    • 9 quantum works since 2022
  17. Stephan Rinner

    Max Planck Institute of Quantum Optics, Germany Researcher

    Photonics, lasers and optics, Photonic qubits

    • Works in Enabling technologies and supply chain
    • 5 quantum works since 2022
  18. Stephan Steinhauer

    KTH Royal Institute of Technology, Sweden Researcher

    Photonic qubits, Photonics, lasers and optics

    • Works in Enabling technologies and supply chain
    • 6 quantum works since 2022
  19. Stephan Welte

    University of Stuttgart, Germany Researcher

    Neutral atoms, Quantum networks and repeaters, Photonics, lasers and optics

    • Works in Enabling technologies and supply chain
    • 6 quantum works since 2022
  20. Steven A. Wrathmall

    Durham University, United Kingdom Researcher

    Analogue quantum simulators, Photonics, lasers and optics

    • Works in Enabling technologies and supply chain
    • 8 quantum works since 2022
  21. Steven H. Simon

    University of Oxford, United Kingdom Researcher

    Topological qubits, Quantum chips, materials and fabrication, Analogue quantum simulators

    • Works in Enabling technologies and supply chain
    • 14 quantum works since 2022
  22. Steven Herbert

    Quantinuum (United Kingdom), United Kingdom Researcher

    Quantum computing and simulation, Quantum-safe security (post-quantum cryptography), Quantum software stack

    • Works in Enabling technologies and supply chain
    • 7 quantum works since 2022
  23. Steven Hoekstra

    University of Groningen, Netherlands Researcher

    Photonics, lasers and optics, Analogue quantum simulators, Photonic qubits

    • Works in Enabling technologies and supply chain
    • 7 quantum works since 2022
  24. Steven Sagona-Stophel

    Imperial College London, United Kingdom Researcher

    Photonic qubits, Quantum memories, Photonics, lasers and optics

    • Works in Enabling technologies and supply chain
    • 5 quantum works since 2022
  25. Stéphane Guérandel

    Systèmes de Référence Temps-Espace, France Researcher

    Photonics, lasers and optics

    • Works in Enabling technologies and supply chain
    • 7 quantum works since 2022