Ultra-strong coupling regime in cavity quantum electrodynamics

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      Phys. Rev. A 92, 063830 (2015). [PDF][Link][arXiv]

    6. M. Cirio, S.D. Liberato, N. Lambert, F. Nori
      Ground State Electroluminescence
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      One Photon Can Simultaneously Excite Two or More Atoms
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      Featured in Physics, Editors' Suggestion

    8. R. Stassi, S. Savasta, L. Garziano, B. Spagnolo, F. Nori
      Output field-quadrature measurements and squeezing in ultrastrong cavity-QED
      New Journal of Physics 18, 123005 (2016). [PDF][Link][arXiv]

    9. O. Di Stefano, R. Stassi, L. Garziano, A.F. Kockum, S. Savasta, F. Nori
      Feynman-diagrams approach to the quantum Rabi model for ultrastrong cavity QED: stimulated emission and reabsorption of virtual particles dressing a physical excitation
      New Journal of Physics 19, 053010 (2017). [PDF][Link][arXiv]

    10. A.F. Kockum, A. Miranowicz, V. Macrì, S. Savasta, F. Nori
      Deterministic quantum nonlinear optics with single atoms and virtual photons
      Phys. Rev. A 95, 063849 (2017). [PDF][Link][arXiv]

    11. A.F. Kockum, V. Macrì, L. Garziano, S. Savasta, F. Nori
      Frequency conversion in ultrastrong cavity QED
      Scientific Reports 7, 5313 (2017). [PDF][Link][arXiv][Suppl. Info.]

    12. Z. Chen, Y. Wang, T. Li, L. Tian, Y. Qiu, K. Inomata, F. Yoshihara, S. Han, F. Nori, J.S. Tsai, J.Q. You
      Single-photon-driven high-order sideband transitions in an ultrastrongly coupled circuit-quantum-electrodynamics system
      Phys. Rev. A 96, 012325 (2017). [PDF][Link][arXiv]

    13. M. Cirio, K. Debnath, N. Lambert, F. Nori
      Amplified Optomechanical Transduction of Virtual Radiation Pressure
      Phys. Rev. Lett. 119, 053601 (2017). [PDF][Link][arXiv][Suppl. Info.]

    14. R. Stassi, V. Macrì, A.F. Kockum, O. Di Stefano, A. Miranowicz, S. Savasta, F. Nori
      Quantum Nonlinear Optics without Photons
      Phys. Rev. A 96, 023818 (2017). [PDF][Link][arXiv]

    15. X. Wang, A. Miranowicz, H.R. Li, F. Nori
      Observing pure effects of counter-rotating terms without ultrastrong coupling: A single photon can simultaneously excite two qubits
      Phys. Rev. A 96, 063820 (2017). [PDF][Link][arXiv]

    16. V. Macrì, A. Ridolfo, O. Di Stefano, A.F. Kockum, F. Nori, S. Savasta
      Nonperturbative Dynamical Casimir Effect in Optomechanical Systems: Vacuum Casimir-Rabi Splittings
      Phys. Rev. X 8, 011031 (2018). [PDF][Link][arXiv]

    17. W. Qin, A. Miranowicz, P.B. Li, X.Y. Lu, J.Q. You, F. Nori
      Exponentially Enhanced Light-Matter Interaction, Cooperativities, and Steady-State Entanglement Using Parametric Amplification
      Phys. Rev. Lett. 120, 093601 (2018). [PDF][Link][arXiv][Suppl. Info.]

    18. R. Stassi, F. Nori
      Long-lasting quantum memories: Extending the coherence time of superconducting artificial atoms in the ultrastrong-coupling regime
      Phys. Rev. A 97, 033823 (2018). [PDF][Link][arXiv]

    19. C.S. Muñoz, F. Nori, S.D. Liberato
      Resolution of superluminal signalling in non-perturbative cavity quantum electrodynamics
      Nature Communications 9, 1924 (2018). [PDF][Link][arXiv][Suppl. Info.][Reviewers' Comments]

    20. A. Settineri, V. Macrí, A. Ridolfo, O. Di Stefano, A.F. Kockum, F. Nori, S. Savasta
      Dissipation and thermal noise in hybrid quantum systems in the ultrastrong-coupling regime
      Phys. Rev. A 98, 053834 (2018). [PDF][Link][arXiv]

    21. O. Di Stefano, A.F. Kockum, A. Ridolfo, S. Savasta, F. Nori
      Photodetection probability in quantum systems with arbitrarily strong light-matter interaction
      Scientific Reports 8, 17825 (2018). [PDF][Link_1][Link_2][arXiv]

    22. V. Macrì, F. Nori, A.F. Kockum
      Simple preparation of Bell and Greenberger-Horne-Zeilinger states using ultrastrong-coupling circuit QED
      Phys. Rev. A 98, 062327 (2018). [PDF][Link][arXiv]

    23. A.F. Kockum, A. Miranowicz, S.D. Liberato, S. Savasta, F. Nori
      Ultrastrong coupling between light and matter
      Nature Reviews Physics 1, pp. 19–40 (2019). [PDF][Link][arXiv]
      This is the only review (plus three technical reviews) of the first issue of this journal.

    24. O. Di Stefano, A. Settineri, V. Macrì, A. Ridolfo, R. Stassi, A.F. Kockum, S. Savasta, F. Nori
      Interaction of Mechanical Oscillators Mediated by the Exchange of Virtual Photon Pairs
      Phys. Rev. Lett. 122, 030402 (2019). [PDF][Link][arXiv][Suppl. Info.]

    25. S. Endo, Y. Matsuzaki, K. Kakuyanagi, S. Saito, N. Lambert, F. Nori
      Dynamics of an ultra-strongly-coupled system interacting with a driven nonlinear resonator
      preprint, (2019). [arXiv]

    26. Omar et al.
      Nature Physics, in press (2019).

    27. M. Cirio, N. Shammah, N. Lambert et al.
      Multi-electron ground state electroluminescence
      Phys. Rev. Lett., accepted (2019).


PDF files of two brief talks on: virtual photons and the ultrastrong coupling between light and matter.

  • Electroluminescence + Radiation pressure [PDF]
  • Nonlinear quantum optics using real and/or virtual photons [PDF][PPT]