For final theses written in our group, please scroll down.


  • Startup Qilimanjaro—towards a European full-stack coherent quantum annealer platform
    V. Canivell, P. Forn-Díaz, A. García-Sáez, R. Sagastizabal
    European Physics Journal Quantum Technology 8, 6

  • One qubit as a Universal Approximant
    A. Pérez-Salinas, D. López-Núñez, A. García-Sáez, P. Forn-Díaz, J. I. Latorre

  • The 2021 quantum materials roadmap
    F. Giustino, J. H. Lee, F. Trier, M. Bibes, S. M. Winter, R. Valentí, Y.-W. Son, L. Taillefer, C. Heil, A. I. Figueroa, B. Plaçais, Q. Wu, O. V. Yazyev, E. Bakkers, J. Nygård, P. Forn-Díaz, S. De Franceschi, J. W. McIver, L. Foa Torres, T. Low, A. Kumar, R. Galceran, S. O. Valenzuela, M. V. Costache, A. Manchon, E.-A. Kim, G. R. Schleder, A. Fazzio, and S. Roche
    2021 J. Phys. Mater. 3 042006


  • Observation of Three-Photon Spontaneous Parametric Downconversion in a Superconducting Parametric Cavity
    C.W. Sandbo Chang, Carlos Sabín, P. Forn-Díaz, Fernando Quijandría, A.M. Vadiraj, I. Nsanzineza, G. Johansson, C.M. Wilson
    Physical Review X 10, 011011 (2020). Phys. Rev. X, arXiv:1907.08692


  • Ultrastrong coupling regimes of light-matter interaction
    P. Forn-Díaz, L. Lamata, E. Rico, J. Kono, E. Solano
    Reviews of Modern Physics 91, 025005 (2019). Rev. Mod. Phys., arXiv:1804.09275

Publications prior to IFAE


  • Generating Multimode Entangled Microwaves with a Superconducting Parametric Cavity
    C. W. Sandbo Chang, M. Simoen, José Aumentado, Carlos Sabín, P. Forn-Díaz, A. M. Vadiraj, Fernando Quijandría, G. Johansson, I. Fuentes, C. M. Wilson
    Physical Review Applied 10, 044019 (2018). Phys. Rev. Appl., arXiv:1709.00083

  • Probing the strongly driven spin-boson model in a superconducting quantum circuit
    L. Magazzù*, P. Forn-Díaz*, R. Belyansky, J.-L. Orgiazzi, M. A. Yurtalan, M. R. Otto, A. Lupascu, C. M. Wilson, M. Grifoni
    Nature Communications 9, 1403 (2018). Nat. Commun., arXiv:1709.01157
    (*) equal contribution

  • Two-photon quantum Rabi model with superconducting circuits
    S. Felicetti, D. Z. Rossatto, E. Rico, E. Solano, P. Forn-Díaz
    Physical Review A 97, 013851 (2018). Phys. Rev. A, arXiv:1711.10032


  • On-Demand Microwave Generator of Shaped Single Photons
    P. Forn-Díaz, C. W. Warren, C. W. S. Chang, A. M. Vadiraj, C. M. Wilson
    Physical Review Applied 8, 054015 (2017). Phys. Rev. Appl., arXiv:1706.06688

  • Ultrastrong coupling of a single artificial atom to an electromagnetic continuum in the nonperturbative regime
    P. Forn-Díaz, J. J. García-Ripoll, B. Peropadre, J.-L. Orgiazzi, M. A. Yurtalan, R. Belyansky, C. M. Wilson, A. Lupascu
    Nature Physics 13, 39-43 (2017). Nat. Phys., arXiv:1602.00416


  • Broken selection rule in the quantum Rabi model
    P. Forn-Díaz, G. Romero, C. J. P. M. Harmans, E. Solano, J. E. Mooij
    Scientific Reports 6, 26720 (2016). Sci. Rep., arXiv:1510.03379


  • Two-frequency Jahn-Teller systems in circuit QED
    T. Dereli, Y. Gül, P. Forn-Díaz, Ö. E. Müstecaplıoğlu
    Physical Review A 85, 053841 (2012). Phys. Rev. A, arXiv:1109.1199

  • Driven Dynamics and Rotary Echo of a Qubit Tunably Coupled to a Harmonic Oscillator
    S. Gustavsson, J. Bylander, F. Yan, P. Forn-Díaz, V. Bolkhovsky, D. Braje, G. Fitch, K. Harrabi, D. Lennon, J. Miloshi, P. Murphy, R. Slattery, S. Spector, B. Turek, T. Weir, P. B. Welander, F. Yoshihara, D. G. Cory, Y. Nakamura, T. P. Orlando, W. D. Oliver
    Physical Review Letters 108, 170503 (2012). Phys. Rev. Lett., arXiv:1201.6341


  • Low gap superconducting single photon detectors for infrared sensitivity
    S. N. Dorenbos, P. Forn-Díaz, T. Fuse, A. H. Verbruggen, T. Zijlstra, T. M. Klapwijk, V. Zwiller
    Applied Physics Letters 98, 251102 (2011). Appl. Phys. Lett.


  • Observation of the Bloch-Siegert Shift in a Qubit-Oscillator System in the Ultrastrong Coupling Regime
    P. Forn-Díaz, J. Lisenfeld, D. Marcos, J. J. García-Ripoll, E. Solano, C. J. P. M. Harmans, J. E. Mooij
    Physical Review Letters 105, 237001 (2010). Phys. Rev. Lett., arXiv:1005.1559

  • Strong Coupling of a Quantum Oscillator to a Flux Qubit at Its Symmetry Point
    A. Fedorov, A. K. Feofanov, P. Macha, P. Forn-Díaz, C. J. P. M. Harmans, J. E. Mooij
    Physical Review Letters 105, 060503 (2010). Phys. Rev. Lett., arXiv:1004.1560

  • Switchable Ultrastrong Coupling in Circuit QED
    B. Peropadre, P. Forn-Díaz, E. Solano, J. J. García-Ripoll
    Physical Review Letters 105, 023601 (2010). Phys. Rev. Lett., arXiv:0912.3456


  • Josephson squelch filter for quantum nanocircuits
    P. Forn-Díaz, R. N. Schouten, W. A. den Braver, J. E. Mooij, C. J. P. M. Harmans
    Applied Physics Letters 95:4 (2009). Appl. Phys. Lett., arXiv:0905.1707


Name Supervisors Degree Title (click to download)
Ivan Alsina Ferrer P. Forn-Díaz & Sofyan Iblisdir BSc in Physics Dynamical control techniques to generate arbitrary qutrit populations in superconducting transmon qubits
Alberto Lajara Corral G. Rius & P. Forn-Díaz MSc in Nanoscience & Nanotechnology Superconducting Coplanar Waveguide Resonators for Quantum Computing
Olga Marco Puértolas P. Forn-Díaz & Agustí Lledós Falcó BSc in Nanoscience & Nanotechnology Matryoshka-like magnetic shielding for superconducting qubits
Barkay Guttel P. Forn-Díaz MSc in Physics Capacitively-Shunted Four Josephson Junctions Flux Qubit
Rafel Luque P. Forn-Díaz MSc in Photonics Coherent Control of a Superconducting Qubit
Santi Vallés P. Forn-Díaz & G. Rius Degree in Physics Design of infrared filters to improve the quality of a superconducting qubit
Adrià Grabulosa G. Rius & P. Forn-Díaz Degree in Nanoscience & Nanotechnology Coplanar Waveguide Resonators Toward Superconducting Qubits: Design and Fabrication